64865226 has 16 divisors (see below), whose sum is σ = 129830400. Its totient is φ = 21605088.

The previous prime is 64865201. The next prime is 64865233. The reversal of 64865226 is 62256846.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6295 + ... + 13013.

It is an arithmetic number, because the mean of its divisors is an integer number (8114400).

Almost surely, 2^64865226 is an apocalyptic number.

64865226 is an abundant number, since it is smaller than the sum of its proper divisors (64965174).

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

64865226 is a wasteful number, since it uses less digits than its factorization.

64865226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333.

The product of its digits is 138240, while the sum is 39.

The square root of 64865226 is about 8053.8950825051. The cubic root of 64865226 is about 401.7944916274.

The spelling of 64865226 in words is "sixty-four million, eight hundred sixty-five thousand, two hundred twenty-six".