22200222032 has 10 divisors (see below), whose sum is σ = 43012930218. Its totient is φ = 11100111008.

The previous prime is 22200222007. The next prime is 22200222047. The reversal of 22200222032 is 23022200222.

It can be written as a sum of positive squares in only one way, i.e., 20322213136 + 1878008896 = 142556^2 + 43336^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22200222032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693756923 + ... + 693756954.

Almost surely, 2^22200222032 is an apocalyptic number.

It is an amenable number.

22200222032 is a deficient number, since it is larger than the sum of its proper divisors (20812708186).

22200222032 is a wasteful number, since it uses less digits than its factorization.

22200222032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387513885 (or 1387513879 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 22200222032 its reverse (23022200222), we get a palindrome (45222422254).

The spelling of 22200222032 in words is "twenty-two billion, two hundred million, two hundred twenty-two thousand, thirty-two".