64022928 has 20 divisors (see below), whose sum is σ = 165392688. Its totient is φ = 21340960.

The previous prime is 64022927. The next prime is 64022939. The reversal of 64022928 is 82922046.

It is not an unprimeable number, because it can be changed into a prime (64022927) 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, 666858 + ... + 666953.

Almost surely, 2^64022928 is an apocalyptic number.

It is an amenable number.

64022928 is an abundant number, since it is smaller than the sum of its proper divisors (101369760).

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

64022928 is a wasteful number, since it uses less digits than its factorization.

64022928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333822 (or 1333816 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 64022928 is about 8001.4328716799. The cubic root of 64022928 is about 400.0477609637.

The spelling of 64022928 in words is "sixty-four million, twenty-two thousand, nine hundred twenty-eight".