22907961 has 8 divisors (see below), whose sum is σ = 33937760. Its totient is φ = 15271956.

The previous prime is 22907933. The next prime is 22908007. The reversal of 22907961 is 16970922.

It is not a de Polignac number, because 22907961 - 2²¹ = 20810809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22907161) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 424195 + ... + 424248.

It is an arithmetic number, because the mean of its divisors is an integer number (4242220).

Almost surely, 2^22907961 is an apocalyptic number.

It is an amenable number.

22907961 is a deficient number, since it is larger than the sum of its proper divisors (11029799).

22907961 is an equidigital number, since it uses as much as digits as its factorization.

22907961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848452 (or 848446 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 22907961 is about 4786.2261751823. The cubic root of 22907961 is about 284.0068478478.

The spelling of 22907961 in words is "twenty-two million, nine hundred seven thousand, nine hundred sixty-one".