222399146312 has 36 divisors (see below), whose sum is σ = 485100136755. Its totient is φ = 95309918256.

The previous prime is 222399146309. The next prime is 222399146329. The reversal of 222399146312 is 213641993222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 111199573156 + 111199573156 = 333466^2 + 333466^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333466.

It is a super-2 number, since 2×222399146312² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9325139 + ... + 9348957.

Almost surely, 2^222399146312 is an apocalyptic number.

It is an amenable number.

222399146312 is an abundant number, since it is smaller than the sum of its proper divisors (262700990443).

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

222399146312 is an frugal number, since it uses more digits than its factorization.

222399146312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47658 (or 23828 counting only the distinct ones).

The product of its digits is 279936, while the sum is 44.

The spelling of 222399146312 in words is "two hundred twenty-two billion, three hundred ninety-nine million, one hundred forty-six thousand, three hundred twelve".