64256226 has 16 divisors (see below), whose sum is σ = 136072224. Its totient is φ = 20158784.

The previous prime is 64256221. The next prime is 64256239. The reversal of 64256226 is 62265246.

It is not an unprimeable number, because it can be changed into a prime (64256221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314880 + ... + 315083.

It is an arithmetic number, because the mean of its divisors is an integer number (8504514).

Almost surely, 2^64256226 is an apocalyptic number.

64256226 is an abundant number, since it is smaller than the sum of its proper divisors (71815998).

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

64256226 is a wasteful number, since it uses less digits than its factorization.

64256226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629985.

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

The square root of 64256226 is about 8015.9981287423. The cubic root of 64256226 is about 400.5330933797.

The spelling of 64256226 in words is "sixty-four million, two hundred fifty-six thousand, two hundred twenty-six".