22938973 has 4 divisors (see below), whose sum is σ = 22955488. Its totient is φ = 22922460.

The previous prime is 22938943. The next prime is 22939013. The reversal of 22938973 is 37983922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22938973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22938943) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 5961 + ... + 9022.

It is an arithmetic number, because the mean of its divisors is an integer number (5738872).

Almost surely, 2^22938973 is an apocalyptic number.

It is an amenable number.

22938973 is a deficient number, since it is larger than the sum of its proper divisors (16515).

22938973 is a wasteful number, since it uses less digits than its factorization.

22938973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16514.

The product of its digits is 163296, while the sum is 43.

The square root of 22938973 is about 4789.4647926465. The cubic root of 22938973 is about 284.1349495861.

The spelling of 22938973 in words is "twenty-two million, nine hundred thirty-eight thousand, nine hundred seventy-three".