22607899 has 2 divisors, whose sum is σ = 22607900. Its totient is φ = 22607898.

The previous prime is 22607867. The next prime is 22607911. The reversal of 22607899 is 99870622.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22607899 - 2⁵ = 22607867 is a prime.

It is a super-2 number, since 2×22607899² = 1022234194388402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22605899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11303949 + 11303950.

It is an arithmetic number, because the mean of its divisors is an integer number (11303950).

Almost surely, 2^22607899 is an apocalyptic number.

22607899 is a deficient number, since it is larger than the sum of its proper divisors (1).

22607899 is an equidigital number, since it uses as much as digits as its factorization.

22607899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 22607899 is about 4754.7764405911. The cubic root of 22607899 is about 282.7613640887.

The spelling of 22607899 in words is "twenty-two million, six hundred seven thousand, eight hundred ninety-nine".