22969291 has 2 divisors, whose sum is σ = 22969292. Its totient is φ = 22969290.

The previous prime is 22969273. The next prime is 22969301. The reversal of 22969291 is 19296922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22969291 - 2²¹ = 20872139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22969201) 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, 11484645 + 11484646.

It is an arithmetic number, because the mean of its divisors is an integer number (11484646).

Almost surely, 2^22969291 is an apocalyptic number.

22969291 is a deficient number, since it is larger than the sum of its proper divisors (1).

22969291 is an equidigital number, since it uses as much as digits as its factorization.

22969291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34992, while the sum is 40.

The square root of 22969291 is about 4792.6288193433. The cubic root of 22969291 is about 284.2600730462.

The spelling of 22969291 in words is "twenty-two million, nine hundred sixty-nine thousand, two hundred ninety-one".