22064856 has 32 divisors (see below), whose sum is σ = 60177600. Its totient is φ = 6686240.

The previous prime is 22064851. The next prime is 22064857. The reversal of 22064856 is 65846022.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22064851) 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, 41526 + ... + 42053.

It is an arithmetic number, because the mean of its divisors is an integer number (1880550).

Almost surely, 2^22064856 is an apocalyptic number.

It is an amenable number.

22064856 is an abundant number, since it is smaller than the sum of its proper divisors (38112744).

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

22064856 is a wasteful number, since it uses less digits than its factorization.

22064856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83599 (or 83595 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 22064856 is about 4697.3243447733. The cubic root of 22064856 is about 280.4790099983.

The spelling of 22064856 in words is "twenty-two million, sixty-four thousand, eight hundred fifty-six".