22785260 has 12 divisors (see below), whose sum is σ = 47849088. Its totient is φ = 9114096.

The previous prime is 22785247. The next prime is 22785263. The reversal of 22785260 is 6258722.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22785263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569612 + ... + 569651.

It is an arithmetic number, because the mean of its divisors is an integer number (3987424).

Almost surely, 2^22785260 is an apocalyptic number.

22785260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22785260 is an abundant number, since it is smaller than the sum of its proper divisors (25063828).

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

22785260 is a wasteful number, since it uses less digits than its factorization.

22785260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139272 (or 1139270 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 22785260 is about 4773.3908283316. The cubic root of 22785260 is about 283.4988682823.

The spelling of 22785260 in words is "twenty-two million, seven hundred eighty-five thousand, two hundred sixty".