662233172 has 6 divisors (see below), whose sum is σ = 1158908058. Its totient is φ = 331116584.

The previous prime is 662233171. The next prime is 662233213. The reversal of 662233172 is 271332266.

It can be written as a sum of positive squares in only one way, i.e., 634838416 + 27394756 = 25196^2 + 5234^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662233171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82779143 + ... + 82779150.

It is an arithmetic number, because the mean of its divisors is an integer number (193151343).

Almost surely, 2^662233172 is an apocalyptic number.

It is an amenable number.

662233172 is a deficient number, since it is larger than the sum of its proper divisors (496674886).

662233172 is a wasteful number, since it uses less digits than its factorization.

662233172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165558297 (or 165558295 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 662233172 is about 25733.8915051727. The cubic root of 662233172 is about 871.6396488930.

The spelling of 662233172 in words is "six hundred sixty-two million, two hundred thirty-three thousand, one hundred seventy-two".