11422979 has 2 divisors, whose sum is σ = 11422980. Its totient is φ = 11422978.

The previous prime is 11422951. The next prime is 11422987. The reversal of 11422979 is 97922411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11422979 - 2¹⁶ = 11357443 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11422909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711489 + 5711490.

It is an arithmetic number, because the mean of its divisors is an integer number (5711490).

Almost surely, 2^11422979 is an apocalyptic number.

11422979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11422979 is an equidigital number, since it uses as much as digits as its factorization.

11422979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 35.

The square root of 11422979 is about 3379.7897863625. The cubic root of 11422979 is about 225.2128290727.

The spelling of 11422979 in words is "eleven million, four hundred twenty-two thousand, nine hundred seventy-nine".