22988279 has 2 divisors, whose sum is σ = 22988280. Its totient is φ = 22988278.

The previous prime is 22988269. The next prime is 22988291. The reversal of 22988279 is 97288922.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22988279 - 2⁴ = 22988263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22988269) 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, 11494139 + 11494140.

It is an arithmetic number, because the mean of its divisors is an integer number (11494140).

Almost surely, 2^22988279 is an apocalyptic number.

22988279 is a deficient number, since it is larger than the sum of its proper divisors (1).

22988279 is an equidigital number, since it uses as much as digits as its factorization.

22988279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 47.

The square root of 22988279 is about 4794.6093688642. The cubic root of 22988279 is about 284.3383811319.

The spelling of 22988279 in words is "twenty-two million, nine hundred eighty-eight thousand, two hundred seventy-nine".