22785084 has 48 divisors (see below), whose sum is σ = 67513600. Its totient is φ = 6509808.

The previous prime is 22785079. The next prime is 22785109. The reversal of 22785084 is 48058722.

It is a happy number.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14314 + ... + 15825.

Almost surely, 2^22785084 is an apocalyptic number.

It is an amenable number.

22785084 is an abundant number, since it is smaller than the sum of its proper divisors (44728516).

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

22785084 is a wasteful number, since it uses less digits than its factorization.

22785084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30159 (or 30151 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 22785084 is about 4773.3723927638. The cubic root of 22785084 is about 283.4981383378.

The spelling of 22785084 in words is "twenty-two million, seven hundred eighty-five thousand, eighty-four".