297229721172 has 24 divisors (see below), whose sum is σ = 693562418976. Its totient is φ = 99072801888.

The previous prime is 297229721167. The next prime is 297229721177. The reversal of 297229721172 is 271127922792.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (297229721167) and next prime (297229721177).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (297229721177) by changing a digit.

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, 133443 + ... + 782474.

It is an arithmetic number, because the mean of its divisors is an integer number (28898434124).

Almost surely, 2^297229721172 is an apocalyptic number.

It is an amenable number.

297229721172 is an abundant number, since it is smaller than the sum of its proper divisors (396332697804).

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

297229721172 is a wasteful number, since it uses less digits than its factorization.

297229721172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942967 (or 942965 counting only the distinct ones).

The product of its digits is 889056, while the sum is 51.

The spelling of 297229721172 in words is "two hundred ninety-seven billion, two hundred twenty-nine million, seven hundred twenty-one thousand, one hundred seventy-two".