222881232 has 80 divisors (see below), whose sum is σ = 669242880. Its totient is φ = 62595456.

The previous prime is 222881213. The next prime is 222881233. The reversal of 222881232 is 232188222.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222881232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222881233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14203 + ... + 25445.

It is an arithmetic number, because the mean of its divisors is an integer number (8365536).

Almost surely, 2^222881232 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 222881232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334621440).

222881232 is an abundant number, since it is smaller than the sum of its proper divisors (446361648).

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

222881232 is a wasteful number, since it uses less digits than its factorization.

222881232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320 (or 11314 counting only the distinct ones).

The product of its digits is 6144, while the sum is 30.

The square root of 222881232 is about 14929.2073466745. The cubic root of 222881232 is about 606.3050234963.

The spelling of 222881232 in words is "two hundred twenty-two million, eight hundred eighty-one thousand, two hundred thirty-two".