22629899 has 2 divisors, whose sum is σ = 22629900. Its totient is φ = 22629898.

The previous prime is 22629881. The next prime is 22629913. The reversal of 22629899 is 99892622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22629899 - 2¹⁶ = 22564363 is a prime.

It is a super-2 number, since 2×22629899² = 1024224657500402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22629869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11314949 + 11314950.

It is an arithmetic number, because the mean of its divisors is an integer number (11314950).

Almost surely, 2^22629899 is an apocalyptic number.

22629899 is a deficient number, since it is larger than the sum of its proper divisors (1).

22629899 is an equidigital number, since it uses as much as digits as its factorization.

22629899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 47.

The square root of 22629899 is about 4757.0893411833. The cubic root of 22629899 is about 282.8530537716.

The spelling of 22629899 in words is "twenty-two million, six hundred twenty-nine thousand, eight hundred ninety-nine".