22899905 has 24 divisors (see below), whose sum is σ = 32230080. Its totient is φ = 15573600.

The previous prime is 22899893. The next prime is 22899911. The reversal of 22899905 is 50999822.

It is not a de Polignac number, because 22899905 - 2⁴ = 22899889 is a prime.

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 36686 + ... + 37304.

It is an arithmetic number, because the mean of its divisors is an integer number (1342920).

Almost surely, 2^22899905 is an apocalyptic number.

It is an amenable number.

22899905 is a deficient number, since it is larger than the sum of its proper divisors (9330175).

22899905 is a wasteful number, since it uses less digits than its factorization.

22899905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 782 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 22899905 is about 4785.3845195554. The cubic root of 22899905 is about 283.9735518913.

The spelling of 22899905 in words is "twenty-two million, eight hundred ninety-nine thousand, nine hundred five".