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250002225 = 325211831217
BaseRepresentation
bin11101110011010…
…11101100110001
3122102102102120200
432321223230301
51003000032400
640450225413
76123661314
oct1671535461
9572372520
10250002225
11119135410
126b885269
133ca43715
14252ba97b
1516e34b00
hexee6bb31

250002225 has 72 divisors (see below), whose sum is σ = 494780832. Its totient is φ = 119654400.

The previous prime is 250002223. The next prime is 250002239. The reversal of 250002225 is 522200052.

It is not a de Polignac number, because 250002225 - 21 = 250002223 is a prime.

It is a super-2 number, since 2×2500022252 = 125002225009901250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 250002198 and 250002207.

It is not an unprimeable number, because it can be changed into a prime (250002223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 204817 + ... + 206033.

It is an arithmetic number, because the mean of its divisors is an integer number (6871956).

Almost surely, 2250002225 is an apocalyptic number.

250002225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

250002225 is a deficient number, since it is larger than the sum of its proper divisors (244778607).

250002225 is a wasteful number, since it uses less digits than its factorization.

250002225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327 (or 1319 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 250002225 is about 15811.4586613633. The cubic root of 250002225 is about 629.9623938248.

Adding to 250002225 its reverse (522200052), we get a palindrome (772202277).

It can be divided in two parts, 25000 and 2225, that added together give a square (27225 = 1652).

The spelling of 250002225 in words is "two hundred fifty million, two thousand, two hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 33 45 55 75 83 99 165 225 249 275 415 495 747 825 913 1217 1245 2075 2475 2739 3651 3735 4565 6085 6225 8217 10953 13387 13695 18255 18675 22825 30425 40161 41085 54765 66935 68475 91275 101011 120483 200805 205425 273825 303033 334675 505055 602415 909099 1004025 1111121 1515165 2525275 3012075 3333363 4545495 5555605 7575825 10000089 16666815 22727475 27778025 50000445 83334075 250002225