222132012 has 24 divisors (see below), whose sum is σ = 519556800. Its totient is φ = 73865616.

The previous prime is 222131989. The next prime is 222132041. The reversal of 222132012 is 210231222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 222131982 and 222132000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17062 + ... + 27117.

It is an arithmetic number, because the mean of its divisors is an integer number (21648200).

Almost surely, 2^222132012 is an apocalyptic number.

It is an amenable number.

222132012 is an abundant number, since it is smaller than the sum of its proper divisors (297424788).

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

222132012 is a wasteful number, since it uses less digits than its factorization.

222132012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44605 (or 44603 counting only the distinct ones).

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

The square root of 222132012 is about 14904.0938000269. The cubic root of 222132012 is about 605.6248917580.

Adding to 222132012 its reverse (210231222), we get a palindrome (432363234).

The spelling of 222132012 in words is "two hundred twenty-two million, one hundred thirty-two thousand, twelve".