222130132 has 18 divisors (see below), whose sum is σ = 452193882. Its totient is φ = 95198544.

The previous prime is 222130127. The next prime is 222130133. The reversal of 222130132 is 231031222.

It can be written as a sum of positive squares in only one way, i.e., 160883856 + 61246276 = 12684^2 + 7826^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222130133) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566463 + ... + 566854.

Almost surely, 2^222130132 is an apocalyptic number.

It is an amenable number.

222130132 is an abundant number, since it is smaller than the sum of its proper divisors (230063750).

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

222130132 is a wasteful number, since it uses less digits than its factorization.

222130132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1133335 (or 1133326 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 222130132 is about 14904.0307299737. The cubic root of 222130132 is about 605.6231831974.

Adding to 222130132 its reverse (231031222), we get a palindrome (453161354).

The spelling of 222130132 in words is "two hundred twenty-two million, one hundred thirty thousand, one hundred thirty-two".