22574081 has 2 divisors, whose sum is σ = 22574082. Its totient is φ = 22574080.

The previous prime is 22574039. The next prime is 22574089. The reversal of 22574081 is 18047522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14508481 + 8065600 = 3809^2 + 2840^2 .

It is a cyclic number.

It is not a de Polignac number, because 22574081 - 2¹⁸ = 22311937 is a prime.

It is a super-2 number, since 2×22574081² = 1019178265989122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22574089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11287040 + 11287041.

It is an arithmetic number, because the mean of its divisors is an integer number (11287041).

Almost surely, 2^22574081 is an apocalyptic number.

It is an amenable number.

22574081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22574081 is an equidigital number, since it uses as much as digits as its factorization.

22574081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 22574081 is about 4751.2188962413. The cubic root of 22574081 is about 282.6203043090.

The spelling of 22574081 in words is "twenty-two million, five hundred seventy-four thousand, eighty-one".