22942089 has 16 divisors (see below), whose sum is σ = 34238400. Its totient is φ = 15182208.

The previous prime is 22942081. The next prime is 22942093. The reversal of 22942089 is 98024922.

22942089 is a `hidden beast` number, since 229 + 420 + 8 + 9 = 666.

It is not a de Polignac number, because 22942089 - 2³ = 22942081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22942081) 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 15 ways as a sum of consecutive naturals, for example, 697 + ... + 6809.

It is an arithmetic number, because the mean of its divisors is an integer number (2139900).

Almost surely, 2^22942089 is an apocalyptic number.

It is an amenable number.

22942089 is a deficient number, since it is larger than the sum of its proper divisors (11296311).

22942089 is a wasteful number, since it uses less digits than its factorization.

22942089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6261 (or 6255 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 22942089 is about 4789.7900789074. The cubic root of 22942089 is about 284.1478145098.

The spelling of 22942089 in words is "twenty-two million, nine hundred forty-two thousand, eighty-nine".