222212032 has 112 divisors (see below), whose sum is σ = 539861760. Its totient is φ = 88584192.

The previous prime is 222212009. The next prime is 222212063. The reversal of 222212032 is 230212222.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 222211997 and 222212015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241319 + ... + 1241497.

Almost surely, 2^222212032 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 222212032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269930880).

222212032 is an abundant number, since it is smaller than the sum of its proper divisors (317649728).

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

222212032 is a wasteful number, since it uses less digits than its factorization.

222212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 368 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 222212032 is about 14906.7780556363. The cubic root of 222212032 is about 605.6976057045.

Adding to 222212032 its reverse (230212222), we get a palindrome (452424254).

The spelling of 222212032 in words is "two hundred twenty-two million, two hundred twelve thousand, thirty-two".