22976917 has 4 divisors (see below), whose sum is σ = 23031916. Its totient is φ = 22921920.

The previous prime is 22976897. The next prime is 22976923. The reversal of 22976917 is 71967922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3976036 + 19000881 = 1994^2 + 4359^2 .

It is a cyclic number.

It is not a de Polignac number, because 22976917 - 2¹⁵ = 22944149 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 (22976617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26868 + ... + 27709.

It is an arithmetic number, because the mean of its divisors is an integer number (5757979).

Almost surely, 2^22976917 is an apocalyptic number.

It is an amenable number.

22976917 is a deficient number, since it is larger than the sum of its proper divisors (54999).

22976917 is an equidigital number, since it uses as much as digits as its factorization.

22976917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54998.

The product of its digits is 95256, while the sum is 43.

The square root of 22976917 is about 4793.4243500863. The cubic root of 22976917 is about 284.2915284861.

The spelling of 22976917 in words is "twenty-two million, nine hundred seventy-six thousand, nine hundred seventeen".