222840132 has 24 divisors (see below), whose sum is σ = 547327200. Its totient is φ = 70370496.

The previous prime is 222840127. The next prime is 222840133. The reversal of 222840132 is 231048222.

222840132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222840133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488457 + ... + 488912.

It is an arithmetic number, because the mean of its divisors is an integer number (22805300).

Almost surely, 2^222840132 is an apocalyptic number.

It is an amenable number.

222840132 is an abundant number, since it is smaller than the sum of its proper divisors (324487068).

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

222840132 is a wasteful number, since it uses less digits than its factorization.

222840132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977395 (or 977393 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 222840132 is about 14927.8307868223. The cubic root of 222840132 is about 606.2677530211.

Adding to 222840132 its reverse (231048222), we get a palindrome (453888354).

The spelling of 222840132 in words is "two hundred twenty-two million, eight hundred forty thousand, one hundred thirty-two".