22645412 has 12 divisors (see below), whose sum is σ = 40022556. Its totient is φ = 11210400.

The previous prime is 22645351. The next prime is 22645417. The reversal of 22645412 is 21454622.

It can be written as a sum of positive squares in 2 ways, for example, as 20939776 + 1705636 = 4576^2 + 1306^2 .

It is not an unprimeable number, because it can be changed into a prime (22645417) 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 3 ways as a sum of consecutive naturals, for example, 27623 + ... + 28430.

It is an arithmetic number, because the mean of its divisors is an integer number (3335213).

Almost surely, 2^22645412 is an apocalyptic number.

It is an amenable number.

22645412 is a deficient number, since it is larger than the sum of its proper divisors (17377144).

22645412 is a wasteful number, since it uses less digits than its factorization.

22645412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56158 (or 56156 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 22645412 is about 4758.7195756842. The cubic root of 22645412 is about 282.9176717822.

The spelling of 22645412 in words is "twenty-two million, six hundred forty-five thousand, four hundred twelve".