22536412 has 24 divisors (see below), whose sum is σ = 41319936. Its totient is φ = 10734768.

The previous prime is 22536403. The next prime is 22536419. The reversal of 22536412 is 21463522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22536419) 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, 44553 + ... + 45055.

It is an arithmetic number, because the mean of its divisors is an integer number (1721664).

Almost surely, 2^22536412 is an apocalyptic number.

It is an amenable number.

22536412 is a deficient number, since it is larger than the sum of its proper divisors (18783524).

22536412 is a wasteful number, since it uses less digits than its factorization.

22536412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017 (or 1015 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 22536412 is about 4747.2531004782. The cubic root of 22536412 is about 282.4630154940.

Adding to 22536412 its reverse (21463522), we get a palindrome (43999934).

The spelling of 22536412 in words is "twenty-two million, five hundred thirty-six thousand, four hundred twelve".