22905199 has 2 divisors, whose sum is σ = 22905200. Its totient is φ = 22905198.

The previous prime is 22905163. The next prime is 22905209. The reversal of 22905199 is 99150922.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22905199 - 2¹⁷ = 22774127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22905139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11452599 + 11452600.

It is an arithmetic number, because the mean of its divisors is an integer number (11452600).

Almost surely, 2^22905199 is an apocalyptic number.

22905199 is a deficient number, since it is larger than the sum of its proper divisors (1).

22905199 is an equidigital number, since it uses as much as digits as its factorization.

22905199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 22905199 is about 4785.9376301828. The cubic root of 22905199 is about 283.9954332070.

It can be divided in two parts, 22905 and 199, that added together give a square (23104 = 152²).

The spelling of 22905199 in words is "twenty-two million, nine hundred five thousand, one hundred ninety-nine".