222320032 has 72 divisors (see below), whose sum is σ = 495173952. Its totient is φ = 97440000.

The previous prime is 222320029. The next prime is 222320167. The reversal of 222320032 is 230023222.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 222319988 and 222320015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295657 + ... + 296407.

It is an arithmetic number, because the mean of its divisors is an integer number (6877416).

Almost surely, 2^222320032 is an apocalyptic number.

222320032 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222320032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247586976).

222320032 is an abundant number, since it is smaller than the sum of its proper divisors (272853920).

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

222320032 is a wasteful number, since it uses less digits than its factorization.

222320032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 222320032 is about 14910.4001287692. The cubic root of 222320032 is about 605.7957173233.

Adding to 222320032 its reverse (230023222), we get a palindrome (452343254).

The spelling of 222320032 in words is "two hundred twenty-two million, three hundred twenty thousand, thirty-two".