842248172 has 6 divisors (see below), whose sum is σ = 1473934308. Its totient is φ = 421124084.

The previous prime is 842248111. The next prime is 842248177. The reversal of 842248172 is 271842248.

It is not an unprimeable number, because it can be changed into a prime (842248177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105281018 + ... + 105281025.

It is an arithmetic number, because the mean of its divisors is an integer number (245655718).

Almost surely, 2^842248172 is an apocalyptic number.

It is an amenable number.

842248172 is a deficient number, since it is larger than the sum of its proper divisors (631686136).

842248172 is a wasteful number, since it uses less digits than its factorization.

842248172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210562047 (or 210562045 counting only the distinct ones).

The product of its digits is 57344, while the sum is 38.

The square root of 842248172 is about 29021.5122280008. The cubic root of 842248172 is about 944.3798071299.

The spelling of 842248172 in words is "eight hundred forty-two million, two hundred forty-eight thousand, one hundred seventy-two".