172297542232 has 8 divisors (see below), whose sum is σ = 323057891700. Its totient is φ = 86148771112.

The previous prime is 172297542229. The next prime is 172297542251. The reversal of 172297542232 is 232245792271.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10768596382 + ... + 10768596397.

Almost surely, 2^172297542232 is an apocalyptic number.

It is an amenable number.

172297542232 is a deficient number, since it is larger than the sum of its proper divisors (150760349468).

172297542232 is a wasteful number, since it uses less digits than its factorization.

172297542232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21537192785 (or 21537192781 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The spelling of 172297542232 in words is "one hundred seventy-two billion, two hundred ninety-seven million, five hundred forty-two thousand, two hundred thirty-two".