22091160 has 288 divisors, whose sum is σ = 88194960. Its totient is φ = 4386816.

The previous prime is 22091159. The next prime is 22091171. The reversal of 22091160 is 6119022.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1299472 + ... + 1299488.

Almost surely, 2^22091160 is an apocalyptic number.

22091160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22091160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44097480).

22091160 is an abundant number, since it is smaller than the sum of its proper divisors (66103800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22091160 is a wasteful number, since it uses less digits than its factorization.

22091160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 22091160 is about 4700.1234026353. The cubic root of 22091160 is about 280.5904208033.

The spelling of 22091160 in words is "twenty-two million, ninety-one thousand, one hundred sixty".