22785360 has 160 divisors (see below), whose sum is σ = 77911680. Its totient is φ = 5474304.

The previous prime is 22785359. The next prime is 22785379. The reversal of 22785360 is 6358722.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208986 + ... + 209094.

It is an arithmetic number, because the mean of its divisors is an integer number (486948).

Almost surely, 2^22785360 is an apocalyptic number.

22785360 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 22785360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38955840).

22785360 is an abundant number, since it is smaller than the sum of its proper divisors (55126320).

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

22785360 is a wasteful number, since it uses less digits than its factorization.

22785360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 22785360 is about 4773.4013030542. The cubic root of 22785360 is about 283.4992830219.

The spelling of 22785360 in words is "twenty-two million, seven hundred eighty-five thousand, three hundred sixty".