65022172 has 12 divisors (see below), whose sum is σ = 116864440. Its totient is φ = 31632336.

The previous prime is 65022151. The next prime is 65022179. The reversal of 65022172 is 27122056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65022179) 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, 219522 + ... + 219817.

Almost surely, 2^65022172 is an apocalyptic number.

It is an amenable number.

65022172 is a deficient number, since it is larger than the sum of its proper divisors (51842268).

65022172 is a wasteful number, since it uses less digits than its factorization.

65022172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439380 (or 439378 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 65022172 is about 8063.6326801262. The cubic root of 65022172 is about 402.1182873446.

It can be divided in two parts, 650 and 22172, that added together give a palindrome (22822).

The spelling of 65022172 in words is "sixty-five million, twenty-two thousand, one hundred seventy-two".