22564464 has 40 divisors (see below), whose sum is σ = 62777232. Its totient is φ = 6942720.

The previous prime is 22564459. The next prime is 22564469. The reversal of 22564464 is 46446522.

It is an interprime number because it is at equal distance from previous prime (22564459) and next prime (22564469).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22564469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17457 + ... + 18704.

Almost surely, 2^22564464 is an apocalyptic number.

22564464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22564464 is an abundant number, since it is smaller than the sum of its proper divisors (40212768).

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

22564464 is a wasteful number, since it uses less digits than its factorization.

22564464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36185 (or 36179 counting only the distinct ones).

The product of its digits is 46080, while the sum is 33.

The square root of 22564464 is about 4750.2067323433. The cubic root of 22564464 is about 282.5801646827.

The spelling of 22564464 in words is "twenty-two million, five hundred sixty-four thousand, four hundred sixty-four".