22901091 has 16 divisors (see below), whose sum is σ = 32514048. Its totient is φ = 14288000.

The previous prime is 22901089. The next prime is 22901093. The reversal of 22901091 is 19010922.

It is an interprime number because it is at equal distance from previous prime (22901089) and next prime (22901093).

It is a cyclic number.

It is not a de Polignac number, because 22901091 - 2¹ = 22901089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22901093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8566 + ... + 10916.

It is an arithmetic number, because the mean of its divisors is an integer number (2032128).

Almost surely, 2^22901091 is an apocalyptic number.

22901091 is a deficient number, since it is larger than the sum of its proper divisors (9612957).

22901091 is a wasteful number, since it uses less digits than its factorization.

22901091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 22901091 is about 4785.5084369375. The cubic root of 22901091 is about 283.9784541943.

The spelling of 22901091 in words is "twenty-two million, nine hundred one thousand, ninety-one".