22426564 has 24 divisors (see below), whose sum is σ = 41912640. Its totient is φ = 10474464.

The previous prime is 22426561. The next prime is 22426577. The reversal of 22426564 is 46562422.

It is not an unprimeable number, because it can be changed into a prime (22426561) 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, 1122 + ... + 6790.

It is an arithmetic number, because the mean of its divisors is an integer number (1746360).

Almost surely, 2^22426564 is an apocalyptic number.

It is an amenable number.

22426564 is a deficient number, since it is larger than the sum of its proper divisors (19486076).

22426564 is a wasteful number, since it uses less digits than its factorization.

22426564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5739 (or 5737 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 22426564 is about 4735.6693296724. The cubic root of 22426564 is about 282.0033364795.

Adding to 22426564 its reverse (46562422), we get a palindrome (68988986).

The spelling of 22426564 in words is "twenty-two million, four hundred twenty-six thousand, five hundred sixty-four".