22800222 has 24 divisors (see below), whose sum is σ = 51549264. Its totient is φ = 7269504.

The previous prime is 22800203. The next prime is 22800233. The reversal of 22800222 is 22200822.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22800195 and 22800204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27123 + ... + 27950.

It is an arithmetic number, because the mean of its divisors is an integer number (2147886).

Almost surely, 2^22800222 is an apocalyptic number.

22800222 is an abundant number, since it is smaller than the sum of its proper divisors (28749042).

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

22800222 is a wasteful number, since it uses less digits than its factorization.

22800222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55104 (or 55101 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 22800222 is about 4774.9578008607. The cubic root of 22800222 is about 283.5609081268.

The spelling of 22800222 in words is "twenty-two million, eight hundred thousand, two hundred twenty-two".