222132330 has 96 divisors (see below), whose sum is σ = 666776448. Its totient is φ = 50256000.

The previous prime is 222132311. The next prime is 222132419. The reversal of 222132330 is 33231222.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61885 + ... + 65375.

It is an arithmetic number, because the mean of its divisors is an integer number (6945588).

Almost surely, 2^222132330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222132330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333388224).

222132330 is an abundant number, since it is smaller than the sum of its proper divisors (444644118).

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

222132330 is a wasteful number, since it uses less digits than its factorization.

222132330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3612 (or 3609 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 222132330 is about 14904.1044682329. The cubic root of 222132330 is about 605.6251807583.

Adding to 222132330 its reverse (33231222), we get a palindrome (255363552).

The spelling of 222132330 in words is "two hundred twenty-two million, one hundred thirty-two thousand, three hundred thirty".