222132612 has 48 divisors (see below), whose sum is σ = 561334592. Its totient is φ = 67962240.

The previous prime is 222132611. The next prime is 222132623. The reversal of 222132612 is 216231222.

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 (222132611) 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, 24303 + ... + 32169.

Almost surely, 2^222132612 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 222132612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280667296).

222132612 is an abundant number, since it is smaller than the sum of its proper divisors (339201980).

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

222132612 is a wasteful number, since it uses less digits than its factorization.

222132612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8068 (or 8066 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 222132612 is about 14904.1139287111. The cubic root of 222132612 is about 605.6254370413.

Adding to 222132612 its reverse (216231222), we get a palindrome (438363834).

The spelling of 222132612 in words is "two hundred twenty-two million, one hundred thirty-two thousand, six hundred twelve".