22420422179 has 2 divisors, whose sum is σ = 22420422180. Its totient is φ = 22420422178.

The previous prime is 22420422169. The next prime is 22420422187. The reversal of 22420422179 is 97122402422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22420422179 is a prime.

It is not a weakly prime, because it can be changed into another prime (22420422169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210211089 + 11210211090.

It is an arithmetic number, because the mean of its divisors is an integer number (11210211090).

Almost surely, 2^22420422179 is an apocalyptic number.

22420422179 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420422179 is an equidigital number, since it uses as much as digits as its factorization.

22420422179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 22420422179 in words is "twenty-two billion, four hundred twenty million, four hundred twenty-two thousand, one hundred seventy-nine".