22625579 has 2 divisors, whose sum is σ = 22625580. Its totient is φ = 22625578.

The previous prime is 22625573. The next prime is 22625609. The reversal of 22625579 is 97552622.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22625579 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (22625573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11312789 + 11312790.

It is an arithmetic number, because the mean of its divisors is an integer number (11312790).

Almost surely, 2^22625579 is an apocalyptic number.

22625579 is a deficient number, since it is larger than the sum of its proper divisors (1).

22625579 is an equidigital number, since it uses as much as digits as its factorization.

22625579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 22625579 is about 4756.6352603495. The cubic root of 22625579 is about 282.8350539424.

The spelling of 22625579 in words is "twenty-two million, six hundred twenty-five thousand, five hundred seventy-nine".