22972694 has 4 divisors (see below), whose sum is σ = 34459044. Its totient is φ = 11486346.

The previous prime is 22972693. The next prime is 22972717. The reversal of 22972694 is 49627922.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49627922 = 2 ⋅24813961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22972693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5743172 + ... + 5743175.

It is an arithmetic number, because the mean of its divisors is an integer number (8614761).

Almost surely, 2^22972694 is an apocalyptic number.

22972694 is a deficient number, since it is larger than the sum of its proper divisors (11486350).

22972694 is a wasteful number, since it uses less digits than its factorization.

22972694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11486349.

The product of its digits is 108864, while the sum is 41.

The square root of 22972694 is about 4792.9838305590. The cubic root of 22972694 is about 284.2741104735.

The spelling of 22972694 in words is "twenty-two million, nine hundred seventy-two thousand, six hundred ninety-four".