842144922 has 24 divisors (see below), whose sum is σ = 1825898880. Its totient is φ = 280522440.

The previous prime is 842144899. The next prime is 842144939. The reversal of 842144922 is 229441248.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12279 + ... + 42837.

It is an arithmetic number, because the mean of its divisors is an integer number (76079120).

Almost surely, 2^842144922 is an apocalyptic number.

842144922 is an abundant number, since it is smaller than the sum of its proper divisors (983753958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842144922 is a wasteful number, since it uses less digits than its factorization.

842144922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32098 (or 32095 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 842144922 is about 29019.7333206217. The cubic root of 842144922 is about 944.3412154958.

The spelling of 842144922 in words is "eight hundred forty-two million, one hundred forty-four thousand, nine hundred twenty-two".