12232200222 has 48 divisors (see below), whose sum is σ = 29693909232. Its totient is φ = 3606543360.

The previous prime is 12232200151. The next prime is 12232200269. The reversal of 12232200222 is 22200223221.

12232200222 is a `hidden beast` number, since 1 + 223 + 220 + 0 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12232200195 and 12232200204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 827523 + ... + 842174.

It is an arithmetic number, because the mean of its divisors is an integer number (618623109).

Almost surely, 2^12232200222 is an apocalyptic number.

12232200222 is an abundant number, since it is smaller than the sum of its proper divisors (17461709010).

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

12232200222 is a wasteful number, since it uses less digits than its factorization.

12232200222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669753 (or 1669750 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 12232200222 its reverse (22200223221), we get a palindrome (34432423443).

The spelling of 12232200222 in words is "twelve billion, two hundred thirty-two million, two hundred thousand, two hundred twenty-two".