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226500220 = 22511325011
BaseRepresentation
bin11011000000000…
…01111001111100
3120210012101220001
431200001321330
5430441001340
634250404044
75420135332
oct1540017174
9523171801
10226500220
11106942a71
1263a30624
1337c052cb
142211db52
1514d4129a
hexd801e7c

226500220 has 12 divisors (see below), whose sum is σ = 475650504. Its totient is φ = 90600080.

The previous prime is 226500203. The next prime is 226500257. The reversal of 226500220 is 22005622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5662486 + ... + 5662525.

It is an arithmetic number, because the mean of its divisors is an integer number (39637542).

Almost surely, 2226500220 is an apocalyptic number.

226500220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226500220 is an abundant number, since it is smaller than the sum of its proper divisors (249150284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

226500220 is a wasteful number, since it uses less digits than its factorization.

226500220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11325020 (or 11325018 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 226500220 is about 15049.9242523011. The cubic root of 226500220 is about 609.5690048778.

Adding to 226500220 its reverse (22005622), we get a palindrome (248505842).

The spelling of 226500220 in words is "two hundred twenty-six million, five hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 11325011 22650022 45300044 56625055 113250110 226500220