22979269 has 4 divisors (see below), whose sum is σ = 22991296. Its totient is φ = 22967244.

The previous prime is 22979267. The next prime is 22979273. The reversal of 22979269 is 96297922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22979269 - 2¹ = 22979267 is a prime.

It is a super-2 number, since 2×22979269² = 1056093607548722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22979267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2439 + ... + 7204.

It is an arithmetic number, because the mean of its divisors is an integer number (5747824).

Almost surely, 2^22979269 is an apocalyptic number.

It is an amenable number.

22979269 is a deficient number, since it is larger than the sum of its proper divisors (12027).

22979269 is an equidigital number, since it uses as much as digits as its factorization.

22979269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12026.

The product of its digits is 244944, while the sum is 46.

The square root of 22979269 is about 4793.6696799008. The cubic root of 22979269 is about 284.3012285234.

The spelling of 22979269 in words is "twenty-two million, nine hundred seventy-nine thousand, two hundred sixty-nine".