22397634 has 40 divisors (see below), whose sum is σ = 57359808. Its totient is φ = 6399000.

The previous prime is 22397623. The next prime is 22397707. The reversal of 22397634 is 43679322.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8742 + ... + 11009.

Almost surely, 2^22397634 is an apocalyptic number.

22397634 is an abundant number, since it is smaller than the sum of its proper divisors (34962174).

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

22397634 is a wasteful number, since it uses less digits than its factorization.

22397634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19772 (or 19763 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 22397634 is about 4732.6138655082. The cubic root of 22397634 is about 281.8820239874.

The spelling of 22397634 in words is "twenty-two million, three hundred ninety-seven thousand, six hundred thirty-four".