22022879 has 2 divisors, whose sum is σ = 22022880. Its totient is φ = 22022878.

The previous prime is 22022839. The next prime is 22022893. The reversal of 22022879 is 97822022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22022879 - 2¹⁶ = 21957343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22022809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011439 + 11011440.

It is an arithmetic number, because the mean of its divisors is an integer number (11011440).

Almost surely, 2^22022879 is an apocalyptic number.

22022879 is a deficient number, since it is larger than the sum of its proper divisors (1).

22022879 is an equidigital number, since it uses as much as digits as its factorization.

22022879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 22022879 is about 4692.8540356589. The cubic root of 22022879 is about 280.3010325316.

The spelling of 22022879 in words is "twenty-two million, twenty-two thousand, eight hundred seventy-nine".