22673279 has 2 divisors, whose sum is σ = 22673280. Its totient is φ = 22673278.

The previous prime is 22673201. The next prime is 22673297. The reversal of 22673279 is 97237622.

It is a happy number.

Together with next prime (22673297) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22673279 - 2²⁰ = 21624703 is a prime.

It is a super-2 number, since 2×22673279² = 1028155161223682, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22673579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11336639 + 11336640.

It is an arithmetic number, because the mean of its divisors is an integer number (11336640).

Almost surely, 2^22673279 is an apocalyptic number.

22673279 is a deficient number, since it is larger than the sum of its proper divisors (1).

22673279 is an equidigital number, since it uses as much as digits as its factorization.

22673279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 38.

The square root of 22673279 is about 4761.6466689581. The cubic root of 22673279 is about 283.0336751913.

The spelling of 22673279 in words is "twenty-two million, six hundred seventy-three thousand, two hundred seventy-nine".