222297302597172 has 96 divisors (see below), whose sum is σ = 566318436633600. Its totient is φ = 67306790073600.

The previous prime is 222297302597141. The next prime is 222297302597221. The reversal of 222297302597172 is 271795203792222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1372878897 + ... + 1373040807.

It is an arithmetic number, because the mean of its divisors is an integer number (5899150381600).

Almost surely, 2^{222297302597172} is an apocalyptic number.

222297302597172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222297302597172 is an abundant number, since it is smaller than the sum of its proper divisors (344021134036428).

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

222297302597172 is a wasteful number, since it uses less digits than its factorization.

222297302597172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170517 (or 170515 counting only the distinct ones).

The product of its (nonzero) digits is 26671680, while the sum is 60.

The spelling of 222297302597172 in words is "two hundred twenty-two trillion, two hundred ninety-seven billion, three hundred two million, five hundred ninety-seven thousand, one hundred seventy-two".