22130680 has 128 divisors (see below), whose sum is σ = 60419520. Its totient is φ = 7188480.

The previous prime is 22130671. The next prime is 22130737. The reversal of 22130680 is 8603122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 303124 + ... + 303196.

Almost surely, 2^22130680 is an apocalyptic number.

22130680 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 22130680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30209760).

22130680 is an abundant number, since it is smaller than the sum of its proper divisors (38288840).

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

22130680 is a wasteful number, since it uses less digits than its factorization.

22130680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 157 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22130680 is about 4704.3256689987. The cubic root of 22130680 is about 280.7576419523.

The spelling of 22130680 in words is "twenty-two million, one hundred thirty thousand, six hundred eighty".