22922173 has 2 divisors, whose sum is σ = 22922174. Its totient is φ = 22922172.

The previous prime is 22922161. The next prime is 22922183. The reversal of 22922173 is 37122922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12694969 + 10227204 = 3563^2 + 3198^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22922173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22922183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11461086 + 11461087.

It is an arithmetic number, because the mean of its divisors is an integer number (11461087).

Almost surely, 2^22922173 is an apocalyptic number.

It is an amenable number.

22922173 is a deficient number, since it is larger than the sum of its proper divisors (1).

22922173 is an equidigital number, since it uses as much as digits as its factorization.

22922173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 28.

The square root of 22922173 is about 4787.7106219988. The cubic root of 22922173 is about 284.0655679133.

It can be divided in two parts, 2292 and 2173, that added together give a triangular number (4465 = T₉₄).

The spelling of 22922173 in words is "twenty-two million, nine hundred twenty-two thousand, one hundred seventy-three".