22363880 has 128 divisors (see below), whose sum is σ = 64385280. Its totient is φ = 6789120.

The previous prime is 22363877. The next prime is 22363903. The reversal of 22363880 is 8836322.

It is a happy number.

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, 163172 + ... + 163308.

It is an arithmetic number, because the mean of its divisors is an integer number (503010).

Almost surely, 2^22363880 is an apocalyptic number.

22363880 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 22363880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32192640).

22363880 is an abundant number, since it is smaller than the sum of its proper divisors (42021400).

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

22363880 is a wasteful number, since it uses less digits than its factorization.

22363880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 22363880 is about 4729.0464155049. The cubic root of 22363880 is about 281.7403508465.

It can be divided in two parts, 2236 and 3880, that added together give a palindrome (6116).

The spelling of 22363880 in words is "twenty-two million, three hundred sixty-three thousand, eight hundred eighty".