22814657 has 2 divisors, whose sum is σ = 22814658. Its totient is φ = 22814656.

The previous prime is 22814653. The next prime is 22814669. The reversal of 22814657 is 75641822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13808656 + 9006001 = 3716^2 + 3001^2 .

It is a cyclic number.

It is not a de Polignac number, because 22814657 - 2² = 22814653 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22814653) 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, 11407328 + 11407329.

It is an arithmetic number, because the mean of its divisors is an integer number (11407329).

Almost surely, 2^22814657 is an apocalyptic number.

It is an amenable number.

22814657 is a deficient number, since it is larger than the sum of its proper divisors (1).

22814657 is an equidigital number, since it uses as much as digits as its factorization.

22814657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 35.

The square root of 22814657 is about 4776.4690933785. The cubic root of 22814657 is about 283.6207370501.

The spelling of 22814657 in words is "twenty-two million, eight hundred fourteen thousand, six hundred fifty-seven".