22625279 has 2 divisors, whose sum is σ = 22625280. Its totient is φ = 22625278.

The previous prime is 22625269. The next prime is 22625293. The reversal of 22625279 is 97252622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22625279 - 2⁴ = 22625263 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22625209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11312639 + 11312640.

It is an arithmetic number, because the mean of its divisors is an integer number (11312640).

Almost surely, 2^22625279 is an apocalyptic number.

22625279 is a deficient number, since it is larger than the sum of its proper divisors (1).

22625279 is an equidigital number, since it uses as much as digits as its factorization.

22625279 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 22625279 is about 4756.6037253486. The cubic root of 22625279 is about 282.8338038692.

The spelling of 22625279 in words is "twenty-two million, six hundred twenty-five thousand, two hundred seventy-nine".