222201232 has 40 divisors (see below), whose sum is σ = 473398272. Its totient is φ = 100195200.

The previous prime is 222201197. The next prime is 222201247. The reversal of 222201232 is 232102222.

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

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17382 + ... + 27322.

Almost surely, 2^222201232 is an apocalyptic number.

222201232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222201232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236699136).

222201232 is an abundant number, since it is smaller than the sum of its proper divisors (251197040).

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

222201232 is a wasteful number, since it uses less digits than its factorization.

222201232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10087 (or 10081 counting only the distinct ones).

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

The square root of 222201232 is about 14906.4157999165. The cubic root of 222201232 is about 605.6877927944.

Adding to 222201232 its reverse (232102222), we get a palindrome (454303454).

The spelling of 222201232 in words is "two hundred twenty-two million, two hundred one thousand, two hundred thirty-two".