256226604 has 12 divisors (see below), whose sum is σ = 597862104. Its totient is φ = 85408864.

The previous prime is 256226603. The next prime is 256226681. The reversal of 256226604 is 406622652.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (256226603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10676097 + ... + 10676120.

It is an arithmetic number, because the mean of its divisors is an integer number (49821842).

Almost surely, 2^256226604 is an apocalyptic number.

It is an amenable number.

256226604 is an abundant number, since it is smaller than the sum of its proper divisors (341635500).

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

256226604 is a wasteful number, since it uses less digits than its factorization.

256226604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352224 (or 21352222 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 256226604 is about 16007.0798086347. The cubic root of 256226604 is about 635.1477152376.

The spelling of 256226604 in words is "two hundred fifty-six million, two hundred twenty-six thousand, six hundred four".