222272232 has 256 divisors, whose sum is σ = 731136000. Its totient is φ = 55883520.

The previous prime is 222272221. The next prime is 222272233. The reversal of 222272232 is 232272222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222272233) 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 63 ways as a sum of consecutive naturals, for example, 3317463 + ... + 3317529.

It is an arithmetic number, because the mean of its divisors is an integer number (2856000).

Almost surely, 2^222272232 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 222272232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365568000).

222272232 is an abundant number, since it is smaller than the sum of its proper divisors (508863768).

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

222272232 is a wasteful number, since it uses less digits than its factorization.

222272232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 123 counting only the distinct ones).

The product of its digits is 2688, while the sum is 24.

The square root of 222272232 is about 14908.7971345780. The cubic root of 222272232 is about 605.7522977679.

The spelling of 222272232 in words is "two hundred twenty-two million, two hundred seventy-two thousand, two hundred thirty-two".