22447079 has 2 divisors, whose sum is σ = 22447080. Its totient is φ = 22447078.

The previous prime is 22447027. The next prime is 22447093. The reversal of 22447079 is 97074422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22447079 - 2²⁴ = 5669863 is a prime.

It is a Sophie Germain 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 (22447279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11223539 + 11223540.

It is an arithmetic number, because the mean of its divisors is an integer number (11223540).

Almost surely, 2^22447079 is an apocalyptic number.

22447079 is a deficient number, since it is larger than the sum of its proper divisors (1).

22447079 is an equidigital number, since it uses as much as digits as its factorization.

22447079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 22447079 is about 4737.8348430480. The cubic root of 22447079 is about 282.0892990502.

The spelling of 22447079 in words is "twenty-two million, four hundred forty-seven thousand, seventy-nine".