842224456 has 16 divisors (see below), whose sum is σ = 1594807740. Its totient is φ = 416942400.

The previous prime is 842224441. The next prime is 842224483. The reversal of 842224456 is 654422248.

It can be written as a sum of positive squares in 2 ways, for example, as 597802500 + 244421956 = 24450^2 + 15634^2 .

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 3 ways as a sum of consecutive naturals, for example, 520371 + ... + 521986.

Almost surely, 2^842224456 is an apocalyptic number.

It is an amenable number.

842224456 is a deficient number, since it is larger than the sum of its proper divisors (752583284).

842224456 is a wasteful number, since it uses less digits than its factorization.

842224456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042464 (or 1042460 counting only the distinct ones).

The product of its digits is 122880, while the sum is 37.

The square root of 842224456 is about 29021.1036316678. The cubic root of 842224456 is about 944.3709431068.

The spelling of 842224456 in words is "eight hundred forty-two million, two hundred twenty-four thousand, four hundred fifty-six".