222012132 has 12 divisors (see below), whose sum is σ = 518028336. Its totient is φ = 74004040.

The previous prime is 222012127. The next prime is 222012151. The reversal of 222012132 is 231210222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9250494 + ... + 9250517.

It is an arithmetic number, because the mean of its divisors is an integer number (43169028).

Almost surely, 2^222012132 is an apocalyptic number.

It is an amenable number.

222012132 is an abundant number, since it is smaller than the sum of its proper divisors (296016204).

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

222012132 is a wasteful number, since it uses less digits than its factorization.

222012132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18501018 (or 18501016 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222012132 is about 14900.0715434524. The cubic root of 222012132 is about 605.5159244583.

Adding to 222012132 its reverse (231210222), we get a palindrome (453222354).

The spelling of 222012132 in words is "two hundred twenty-two million, twelve thousand, one hundred thirty-two".