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22213200225 = 3527116724979
BaseRepresentation
bin10100101100000000…
…101000100101100001
32010100002001111012110
4110230000220211201
5330443034401400
614112105545533
71414315041456
oct245400504541
963302044173
1022213200225
119469855117
12437b1a52a9
13213007b678
14110a1db82d
158a01e3e50
hex52c028961

22213200225 has 48 divisors (see below), whose sum is σ = 37467601920. Its totient is φ = 11609774400.

The previous prime is 22213200223. The next prime is 22213200253. The reversal of 22213200225 is 52200231222.

It is not a de Polignac number, because 22213200225 - 21 = 22213200223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22213200223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 876786 + ... + 901764.

It is an arithmetic number, because the mean of its divisors is an integer number (780575040).

Almost surely, 222213200225 is an apocalyptic number.

22213200225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22213200225 is a deficient number, since it is larger than the sum of its proper divisors (15254401695).

22213200225 is a wasteful number, since it uses less digits than its factorization.

22213200225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25230 (or 25225 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 22213200225 its reverse (52200231222), we get a palindrome (74413431447).

The spelling of 22213200225 in words is "twenty-two billion, two hundred thirteen million, two hundred thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 71 75 167 213 355 501 835 1065 1775 2505 4175 5325 11857 12525 24979 35571 59285 74937 124895 177855 296425 374685 624475 889275 1773509 1873425 4171493 5320527 8867545 12514479 20857465 26602635 44337725 62572395 104287325 133013175 296176003 312861975 888528009 1480880015 4442640045 7404400075 22213200225