222252330 has 64 divisors (see below), whose sum is σ = 552987648. Its totient is φ = 57108480.

The previous prime is 222252323. The next prime is 222252347. The reversal of 222252330 is 33252222.

It is a junction number, because it is equal to n+sod(n) for n = 222252297 and 222252306.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327952 + ... + 328628.

It is an arithmetic number, because the mean of its divisors is an integer number (8640432).

Almost surely, 2^222252330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222252330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276493824).

222252330 is an abundant number, since it is smaller than the sum of its proper divisors (330735318).

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

222252330 is a wasteful number, since it uses less digits than its factorization.

222252330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 222252330 is about 14908.1296613626. The cubic root of 222252330 is about 605.7342177736.

The spelling of 222252330 in words is "two hundred twenty-two million, two hundred fifty-two thousand, three hundred thirty".