222322032 has 120 divisors (see below), whose sum is σ = 643458816. Its totient is φ = 71618688.

The previous prime is 222322031. The next prime is 222322043. The reversal of 222322032 is 230223222.

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 = 222321996 and 222322014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222322031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 724023 + ... + 724329.

Almost surely, 2^222322032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222322032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321729408).

222322032 is an abundant number, since it is smaller than the sum of its proper divisors (421136784).

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

222322032 is a wasteful number, since it uses less digits than its factorization.

222322032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 222322032 is about 14910.4671958997. The cubic root of 222322032 is about 605.7975339054.

Adding to 222322032 its reverse (230223222), we get a palindrome (452545254).

The spelling of 222322032 in words is "two hundred twenty-two million, three hundred twenty-two thousand, thirty-two".