222252772 has 48 divisors (see below), whose sum is σ = 465454080. Its totient is φ = 90791712.

The previous prime is 222252769. The next prime is 222252773. The reversal of 222252772 is 277252222.

It is not an unprimeable number, because it can be changed into a prime (222252773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300379 + ... + 301117.

It is an arithmetic number, because the mean of its divisors is an integer number (9696960).

Almost surely, 2^222252772 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 222252772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232727040).

222252772 is an abundant number, since it is smaller than the sum of its proper divisors (243201308).

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

222252772 is a wasteful number, since it uses less digits than its factorization.

222252772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240 (or 1238 counting only the distinct ones).

The product of its digits is 15680, while the sum is 31.

The square root of 222252772 is about 14908.1444854818. The cubic root of 222252772 is about 605.7346193207.

The spelling of 222252772 in words is "two hundred twenty-two million, two hundred fifty-two thousand, seven hundred seventy-two".