22697432 has 8 divisors (see below), whose sum is σ = 42557700. Its totient is φ = 11348712.

The previous prime is 22697387. The next prime is 22697447. The reversal of 22697432 is 23479622.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22697392 and 22697401.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1418582 + ... + 1418597.

Almost surely, 2^22697432 is an apocalyptic number.

It is an amenable number.

22697432 is a deficient number, since it is larger than the sum of its proper divisors (19860268).

22697432 is a wasteful number, since it uses less digits than its factorization.

22697432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2837185 (or 2837181 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 22697432 is about 4764.1821963481. The cubic root of 22697432 is about 283.1341412711.

The spelling of 22697432 in words is "twenty-two million, six hundred ninety-seven thousand, four hundred thirty-two".