22557023 has 2 divisors, whose sum is σ = 22557024. Its totient is φ = 22557022.

The previous prime is 22557019. The next prime is 22557061. The reversal of 22557023 is 32075522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22557023 - 2² = 22557019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22556983 and 22557001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22557323) 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 as a sum of consecutive naturals, namely, 11278511 + 11278512.

It is an arithmetic number, because the mean of its divisors is an integer number (11278512).

Almost surely, 2^22557023 is an apocalyptic number.

22557023 is a deficient number, since it is larger than the sum of its proper divisors (1).

22557023 is an equidigital number, since it uses as much as digits as its factorization.

22557023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 22557023 is about 4749.4234386923. The cubic root of 22557023 is about 282.5490994618.

The spelling of 22557023 in words is "twenty-two million, five hundred fifty-seven thousand, twenty-three".