22940536 has 16 divisors (see below), whose sum is σ = 43533000. Its totient is φ = 11331744.

The previous prime is 22940507. The next prime is 22940539. The reversal of 22940536 is 63504922.

It is a junction number, because it is equal to n+sod(n) for n = 22940498 and 22940507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22940539) 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, 16611 + ... + 17938.

Almost surely, 2^22940536 is an apocalyptic number.

It is an amenable number.

22940536 is a deficient number, since it is larger than the sum of its proper divisors (20592464).

22940536 is a wasteful number, since it uses less digits than its factorization.

22940536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34638 (or 34634 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 22940536 is about 4789.6279604996. The cubic root of 22940536 is about 284.1414028369.

It can be divided in two parts, 229405 and 36, that added together give a square (229441 = 479²).

The spelling of 22940536 in words is "twenty-two million, nine hundred forty thousand, five hundred thirty-six".