22646136 has 16 divisors (see below), whose sum is σ = 56615400. Its totient is φ = 7548704.

The previous prime is 22646131. The next prime is 22646149. The reversal of 22646136 is 63164622.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22646131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471771 + ... + 471818.

Almost surely, 2^22646136 is an apocalyptic number.

It is an amenable number.

22646136 is an abundant number, since it is smaller than the sum of its proper divisors (33969264).

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

22646136 is a wasteful number, since it uses less digits than its factorization.

22646136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943598 (or 943594 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 22646136 is about 4758.7956459592. The cubic root of 22646136 is about 282.9206868184.

The spelling of 22646136 in words is "twenty-two million, six hundred forty-six thousand, one hundred thirty-six".