22553091 has 48 divisors (see below), whose sum is σ = 37559808. Its totient is φ = 12916800.

The previous prime is 22553023. The next prime is 22553093. The reversal of 22553091 is 19035522.

22553091 is a `hidden beast` number, since 22 + 553 + 0 + 91 = 666.

It is not a de Polignac number, because 22553091 - 2⁷ = 22552963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22553093) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 172096 + ... + 172226.

It is an arithmetic number, because the mean of its divisors is an integer number (782496).

Almost surely, 2^22553091 is an apocalyptic number.

22553091 is a deficient number, since it is larger than the sum of its proper divisors (15006717).

22553091 is a wasteful number, since it uses less digits than its factorization.

22553091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 22553091 is about 4749.0094756696. The cubic root of 22553091 is about 282.5326811070.

The spelling of 22553091 in words is "twenty-two million, five hundred fifty-three thousand, ninety-one".