22282790 has 16 divisors (see below), whose sum is σ = 40866768. Its totient is φ = 8744736.

The previous prime is 22282781. The next prime is 22282807. The reversal of 22282790 is 9728222.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20492 + ... + 21551.

It is an arithmetic number, because the mean of its divisors is an integer number (2554173).

Almost surely, 2^22282790 is an apocalyptic number.

22282790 is a deficient number, since it is larger than the sum of its proper divisors (18583978).

22282790 is a wasteful number, since it uses less digits than its factorization.

22282790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42103.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 22282790 is about 4720.4650194658. The cubic root of 22282790 is about 281.3994142721.

The spelling of 22282790 in words is "twenty-two million, two hundred eighty-two thousand, seven hundred ninety".