64022064 has 40 divisors (see below), whose sum is σ = 172584192. Its totient is φ = 20412480.

The previous prime is 64022029. The next prime is 64022069. The reversal of 64022064 is 46022046.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (64022069) 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, 27892 + ... + 30099.

Almost surely, 2^64022064 is an apocalyptic number.

It is an amenable number.

64022064 is an abundant number, since it is smaller than the sum of its proper divisors (108562128).

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

64022064 is a wasteful number, since it uses less digits than its factorization.

64022064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58025 (or 58019 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 64022064 is about 8001.3788811679. The cubic root of 64022064 is about 400.0459613853.

The spelling of 64022064 in words is "sixty-four million, twenty-two thousand, sixty-four".