22549117 has 2 divisors, whose sum is σ = 22549118. Its totient is φ = 22549116.

The previous prime is 22549099. The next prime is 22549127. The reversal of 22549117 is 71194522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16168441 + 6380676 = 4021^2 + 2526^2 .

It is a cyclic number.

It is not a de Polignac number, because 22549117 - 2⁷ = 22548989 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22549127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11274558 + 11274559.

It is an arithmetic number, because the mean of its divisors is an integer number (11274559).

Almost surely, 2^22549117 is an apocalyptic number.

It is an amenable number.

22549117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22549117 is an equidigital number, since it uses as much as digits as its factorization.

22549117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 31.

The square root of 22549117 is about 4748.5910541970. The cubic root of 22549117 is about 282.5160854391.

The spelling of 22549117 in words is "twenty-two million, five hundred forty-nine thousand, one hundred seventeen".