22790879 has 2 divisors, whose sum is σ = 22790880. Its totient is φ = 22790878.

The previous prime is 22790869. The next prime is 22790917. The reversal of 22790879 is 97809722.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22790879 is a prime.

It is a Chen prime.

It is a zygodrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22790869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11395439 + 11395440.

It is an arithmetic number, because the mean of its divisors is an integer number (11395440).

Almost surely, 2^22790879 is an apocalyptic number.

22790879 is a deficient number, since it is larger than the sum of its proper divisors (1).

22790879 is an equidigital number, since it uses as much as digits as its factorization.

22790879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 22790879 is about 4773.9793673622. The cubic root of 22790879 is about 283.5221706163.

The spelling of 22790879 in words is "twenty-two million, seven hundred ninety thousand, eight hundred seventy-nine".