22899479 has 2 divisors, whose sum is σ = 22899480. Its totient is φ = 22899478.

The previous prime is 22899419. The next prime is 22899509. The reversal of 22899479 is 97499822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22899479 - 2⁸ = 22899223 is a prime.

It is a super-2 number, since 2×22899479² = 1048772276942882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22899419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11449739 + 11449740.

It is an arithmetic number, because the mean of its divisors is an integer number (11449740).

Almost surely, 2^22899479 is an apocalyptic number.

22899479 is a deficient number, since it is larger than the sum of its proper divisors (1).

22899479 is an equidigital number, since it uses as much as digits as its factorization.

22899479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 653184, while the sum is 50.

The square root of 22899479 is about 4785.3400088186. The cubic root of 22899479 is about 283.9717909891.

The spelling of 22899479 in words is "twenty-two million, eight hundred ninety-nine thousand, four hundred seventy-nine".