22000939 has 2 divisors, whose sum is σ = 22000940. Its totient is φ = 22000938.

The previous prime is 22000933. The next prime is 22000961. The reversal of 22000939 is 93900022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22000939 - 2⁹ = 22000427 is a prime.

It is not a weakly prime, because it can be changed into another prime (22000933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000469 + 11000470.

It is an arithmetic number, because the mean of its divisors is an integer number (11000470).

Almost surely, 2^22000939 is an apocalyptic number.

22000939 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000939 is an equidigital number, since it uses as much as digits as its factorization.

22000939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 22000939 is about 4690.5158564917. The cubic root of 22000939 is about 280.2079195466.

The spelling of 22000939 in words is "twenty-two million, nine hundred thirty-nine", and thus it is an aban number.