5172228142 has 16 divisors (see below), whose sum is σ = 7839296640. Its totient is φ = 2559266488.

The previous prime is 5172228137. The next prime is 5172228157. The reversal of 5172228142 is 2418222715.

It is a junction number, because it is equal to n+sod(n) for n = 5172228098 and 5172228107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41709 + ... + 109927.

It is an arithmetic number, because the mean of its divisors is an integer number (489956040).

Almost surely, 2^5172228142 is an apocalyptic number.

5172228142 is a deficient number, since it is larger than the sum of its proper divisors (2667068498).

5172228142 is a wasteful number, since it uses less digits than its factorization.

5172228142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68615.

The product of its digits is 17920, while the sum is 34.

The square root of 5172228142 is about 71918.2045243066. The cubic root of 5172228142 is about 1729.3884639526.

The spelling of 5172228142 in words is "five billion, one hundred seventy-two million, two hundred twenty-eight thousand, one hundred forty-two".