22906899 has 6 divisors (see below), whose sum is σ = 33087756. Its totient is φ = 15271260.

The previous prime is 22906883. The next prime is 22906931. The reversal of 22906899 is 99860922.

It is not a de Polignac number, because 22906899 - 2⁴ = 22906883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22906859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1272597 + ... + 1272614.

It is an arithmetic number, because the mean of its divisors is an integer number (5514626).

Almost surely, 2^22906899 is an apocalyptic number.

22906899 is a deficient number, since it is larger than the sum of its proper divisors (10180857).

22906899 is a wasteful number, since it uses less digits than its factorization.

22906899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545217 (or 2545214 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 22906899 is about 4786.1152305393. The cubic root of 22906899 is about 284.0024589816.

The spelling of 22906899 in words is "twenty-two million, nine hundred six thousand, eight hundred ninety-nine".