222566432 has 72 divisors (see below), whose sum is σ = 492283008. Its totient is φ = 98933120.

The previous prime is 222566419. The next prime is 222566441. The reversal of 222566432 is 234665222.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181373 + ... + 182595.

It is an arithmetic number, because the mean of its divisors is an integer number (6837264).

Almost surely, 2^222566432 is an apocalyptic number.

222566432 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 222566432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246141504).

222566432 is an abundant number, since it is smaller than the sum of its proper divisors (269716576).

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

222566432 is a wasteful number, since it uses less digits than its factorization.

222566432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302 (or 1283 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 222566432 is about 14918.6605296856. The cubic root of 222566432 is about 606.0194382841.

The spelling of 222566432 in words is "two hundred twenty-two million, five hundred sixty-six thousand, four hundred thirty-two".