842228784 has 60 divisors (see below), whose sum is σ = 2359484400. Its totient is φ = 280455552.

The previous prime is 842228771. The next prime is 842228819. The reversal of 842228784 is 487822248.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 174597 + ... + 179355.

It is an arithmetic number, because the mean of its divisors is an integer number (39324740).

Almost surely, 2^842228784 is an apocalyptic number.

It is an amenable number.

842228784 is an abundant number, since it is smaller than the sum of its proper divisors (1517255616).

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

842228784 is a wasteful number, since it uses less digits than its factorization.

842228784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6002 (or 5993 counting only the distinct ones).

The product of its digits is 458752, while the sum is 45.

The square root of 842228784 is about 29021.1781979988. The cubic root of 842228784 is about 944.3725607399.

The spelling of 842228784 in words is "eight hundred forty-two million, two hundred twenty-eight thousand, seven hundred eighty-four".