22039579 has 2 divisors, whose sum is σ = 22039580. Its totient is φ = 22039578.

The previous prime is 22039553. The next prime is 22039603. The reversal of 22039579 is 97593022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22039579 - 2⁵ = 22039547 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22039519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11019789 + 11019790.

It is an arithmetic number, because the mean of its divisors is an integer number (11019790).

Almost surely, 2^22039579 is an apocalyptic number.

22039579 is a deficient number, since it is larger than the sum of its proper divisors (1).

22039579 is an equidigital number, since it uses as much as digits as its factorization.

22039579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 22039579 is about 4694.6329995006. The cubic root of 22039579 is about 280.3718656037.

The spelling of 22039579 in words is "twenty-two million, thirty-nine thousand, five hundred seventy-nine".