22368536 has 16 divisors (see below), whose sum is σ = 42221040. Its totient is φ = 11109600.

The previous prime is 22368503. The next prime is 22368539. The reversal of 22368536 is 63586322.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22368496 and 22368505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22368539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8051 + ... + 10466.

It is an arithmetic number, because the mean of its divisors is an integer number (2638815).

Almost surely, 2^22368536 is an apocalyptic number.

It is an amenable number.

22368536 is a deficient number, since it is larger than the sum of its proper divisors (19852504).

22368536 is a wasteful number, since it uses less digits than its factorization.

22368536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18674 (or 18670 counting only the distinct ones).

The product of its digits is 51840, while the sum is 35.

The square root of 22368536 is about 4729.5386667200. The cubic root of 22368536 is about 281.7599015990.

The spelling of 22368536 in words is "twenty-two million, three hundred sixty-eight thousand, five hundred thirty-six".