22064388 has 24 divisors (see below), whose sum is σ = 52106208. Its totient is φ = 7265856.

The previous prime is 22064387. The next prime is 22064411. The reversal of 22064388 is 88346022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22064387) 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, 10081 + ... + 12072.

It is an arithmetic number, because the mean of its divisors is an integer number (2171092).

Almost surely, 2^22064388 is an apocalyptic number.

It is an amenable number.

22064388 is an abundant number, since it is smaller than the sum of its proper divisors (30041820).

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

22064388 is a wasteful number, since it uses less digits than its factorization.

22064388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22243 (or 22241 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 22064388 is about 4697.2745289157. The cubic root of 22064388 is about 280.4770269790.

The spelling of 22064388 in words is "twenty-two million, sixty-four thousand, three hundred eighty-eight".