222010323172 has 12 divisors (see below), whose sum is σ = 423837889776. Its totient is φ = 100913783240.

The previous prime is 222010323149. The next prime is 222010323173. The reversal of 222010323172 is 271323010222.

It is not an unprimeable number, because it can be changed into a prime (222010323173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522844538 + ... + 2522844625.

It is an arithmetic number, because the mean of its divisors is an integer number (35319824148).

Almost surely, 2^222010323172 is an apocalyptic number.

222010323172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222010323172 is a deficient number, since it is larger than the sum of its proper divisors (201827566604).

222010323172 is a wasteful number, since it uses less digits than its factorization.

222010323172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045689178 (or 5045689176 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 222010323172 its reverse (271323010222), we get a palindrome (493333333394).

The spelling of 222010323172 in words is "two hundred twenty-two billion, ten million, three hundred twenty-three thousand, one hundred seventy-two".