22979519 has 2 divisors, whose sum is σ = 22979520. Its totient is φ = 22979518.

The previous prime is 22979503. The next prime is 22979527. The reversal of 22979519 is 91597922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22979519 - 2⁴ = 22979503 is a prime.

It is a super-2 number, since 2×22979519² = 1056116586942722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22979519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22979549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11489759 + 11489760.

It is an arithmetic number, because the mean of its divisors is an integer number (11489760).

Almost surely, 2^22979519 is an apocalyptic number.

22979519 is a deficient number, since it is larger than the sum of its proper divisors (1).

22979519 is an equidigital number, since it uses as much as digits as its factorization.

22979519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 44.

The square root of 22979519 is about 4793.6957558861. The cubic root of 22979519 is about 284.3022595259.

The spelling of 22979519 in words is "twenty-two million, nine hundred seventy-nine thousand, five hundred nineteen".