22410891 has 16 divisors (see below), whose sum is σ = 33829920. Its totient is φ = 14657760.

The previous prime is 22410859. The next prime is 22410893. The reversal of 22410891 is 19801422.

It is not a de Polignac number, because 22410891 - 2⁵ = 22410859 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (22410893) 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, 6400 + ... + 9261.

It is an arithmetic number, because the mean of its divisors is an integer number (2114370).

Almost surely, 2^22410891 is an apocalyptic number.

22410891 is a deficient number, since it is larger than the sum of its proper divisors (11419029).

22410891 is a wasteful number, since it uses less digits than its factorization.

22410891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15723 (or 15717 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 22410891 is about 4734.0142585337. The cubic root of 22410891 is about 281.9376276723.

The spelling of 22410891 in words is "twenty-two million, four hundred ten thousand, eight hundred ninety-one".