222444432 has 120 divisors (see below), whose sum is σ = 721453824. Its totient is φ = 62664192.

The previous prime is 222444427. The next prime is 222444433. The reversal of 222444432 is 234444222.

222444432 is a `hidden beast` number, since 2 + 224 + 4 + 4 + 432 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 222444396 and 222444405.

It is not an unprimeable number, because it can be changed into a prime (222444433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72073 + ... + 75095.

Almost surely, 2^222444432 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 222444432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360726912).

222444432 is an abundant number, since it is smaller than the sum of its proper divisors (499009392).

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

222444432 is a wasteful number, since it uses less digits than its factorization.

222444432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3108 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 222444432 is about 14914.5711302739. The cubic root of 222444432 is about 605.9086880031.

Adding to 222444432 its reverse (234444222), we get a palindrome (456888654).

It can be divided in two parts, 2224 and 44432, that added together give a 6-th power (46656 = 6⁶).

The spelling of 222444432 in words is "two hundred twenty-two million, four hundred forty-four thousand, four hundred thirty-two".