22539796 has 6 divisors (see below), whose sum is σ = 39444650. Its totient is φ = 11269896.

The previous prime is 22539761. The next prime is 22539899. The reversal of 22539796 is 69793522.

It can be written as a sum of positive squares in only one way, i.e., 13322500 + 9217296 = 3650^2 + 3036^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2817471 + ... + 2817478.

Almost surely, 2^22539796 is an apocalyptic number.

It is an amenable number.

22539796 is a deficient number, since it is larger than the sum of its proper divisors (16904854).

22539796 is a wasteful number, since it uses less digits than its factorization.

22539796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5634953 (or 5634951 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 22539796 is about 4747.6095037398. The cubic root of 22539796 is about 282.4771527193.

The spelling of 22539796 in words is "twenty-two million, five hundred thirty-nine thousand, seven hundred ninety-six".