842087222 has 16 divisors (see below), whose sum is σ = 1283026992. Its totient is φ = 414421920.

The previous prime is 842087221. The next prime is 842087227. The reversal of 842087222 is 222780248.

842087222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×842087222² = 1418221778911354568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842087221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273572 + ... + 276632.

It is an arithmetic number, because the mean of its divisors is an integer number (80189187).

Almost surely, 2^842087222 is an apocalyptic number.

842087222 is a deficient number, since it is larger than the sum of its proper divisors (440939770).

842087222 is a wasteful number, since it uses less digits than its factorization.

842087222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 842087222 is about 29018.7391524856. The cubic root of 842087222 is about 944.3196476590.

The spelling of 842087222 in words is "eight hundred forty-two million, eighty-seven thousand, two hundred twenty-two".