22604091 has 8 divisors (see below), whose sum is σ = 31725120. Its totient is φ = 14276232.

The previous prime is 22604089. The next prime is 22604107. The reversal of 22604091 is 19040622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22604091 - 2¹ = 22604089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22604011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198225 + ... + 198338.

It is an arithmetic number, because the mean of its divisors is an integer number (3965640).

Almost surely, 2^22604091 is an apocalyptic number.

22604091 is a deficient number, since it is larger than the sum of its proper divisors (9121029).

22604091 is a wasteful number, since it uses less digits than its factorization.

22604091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396585.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 22604091 is about 4754.3759842907. The cubic root of 22604091 is about 282.7454873998.

The spelling of 22604091 in words is "twenty-two million, six hundred four thousand, ninety-one".