22318680 has 64 divisors (see below), whose sum is σ = 68076000. Its totient is φ = 5852160.

The previous prime is 22318663. The next prime is 22318691. The reversal of 22318680 is 8681322.

It is a super-3 number, since 3×22318680³ (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5796 + ... + 8844.

Almost surely, 2^22318680 is an apocalyptic number.

22318680 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 22318680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34038000).

22318680 is an abundant number, since it is smaller than the sum of its proper divisors (45757320).

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

22318680 is a wasteful number, since it uses less digits than its factorization.

22318680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3124 (or 3120 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 22318680 is about 4724.2650222019. The cubic root of 22318680 is about 281.5504128316.

The spelling of 22318680 in words is "twenty-two million, three hundred eighteen thousand, six hundred eighty".