222444132 has 48 divisors (see below), whose sum is σ = 542868480. Its totient is φ = 70758688.

The previous prime is 222444107. The next prime is 222444137. The reversal of 222444132 is 231444222.

It is a super-2 number, since 2×222444132² = 98962783722466848, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (222444137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181273 + ... + 182495.

It is an arithmetic number, because the mean of its divisors is an integer number (11309760).

Almost surely, 2^222444132 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 222444132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (271434240).

222444132 is an abundant number, since it is smaller than the sum of its proper divisors (320424348).

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

222444132 is a wasteful number, since it uses less digits than its factorization.

222444132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912 (or 1910 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 222444132 is about 14914.5610729917. The cubic root of 222444132 is about 605.9084156164.

Adding to 222444132 its reverse (231444222), we get a palindrome (453888354).

The spelling of 222444132 in words is "two hundred twenty-two million, four hundred forty-four thousand, one hundred thirty-two".