22997938 has 8 divisors (see below), whose sum is σ = 34819632. Its totient is φ = 11391396.

The previous prime is 22997911. The next prime is 22997941. The reversal of 22997938 is 83979922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22997891 and 22997900.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53520 + ... + 53947.

It is an arithmetic number, because the mean of its divisors is an integer number (4352454).

Almost surely, 2^22997938 is an apocalyptic number.

22997938 is a deficient number, since it is larger than the sum of its proper divisors (11821694).

22997938 is a wasteful number, since it uses less digits than its factorization.

22997938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107576.

The product of its digits is 489888, while the sum is 49.

The square root of 22997938 is about 4795.6165401333. The cubic root of 22997938 is about 284.3781991026.

The spelling of 22997938 in words is "twenty-two million, nine hundred ninety-seven thousand, nine hundred thirty-eight".