22804891 has 8 divisors (see below), whose sum is σ = 24034464. Its totient is φ = 21595200.

The previous prime is 22804879. The next prime is 22804919. The reversal of 22804891 is 19840822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22804891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22804861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2586 + ... + 7231.

It is an arithmetic number, because the mean of its divisors is an integer number (3004308).

Almost surely, 2^22804891 is an apocalyptic number.

22804891 is a deficient number, since it is larger than the sum of its proper divisors (1229573).

22804891 is a wasteful number, since it uses less digits than its factorization.

22804891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9941.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 22804891 is about 4775.4466806782. The cubic root of 22804891 is about 283.5802625512.

The spelling of 22804891 in words is "twenty-two million, eight hundred four thousand, eight hundred ninety-one".