842075222 has 4 divisors (see below), whose sum is σ = 1263112836. Its totient is φ = 421037610.

The previous prime is 842075203. The next prime is 842075237. The reversal of 842075222 is 222570248.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210518804 + ... + 210518807.

It is an arithmetic number, because the mean of its divisors is an integer number (315778209).

Almost surely, 2^842075222 is an apocalyptic number.

842075222 is a deficient number, since it is larger than the sum of its proper divisors (421037614).

842075222 is a wasteful number, since it uses less digits than its factorization.

842075222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421037613.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 842075222 is about 29018.5323888028. The cubic root of 842075222 is about 944.3151620233.

The spelling of 842075222 in words is "eight hundred forty-two million, seventy-five thousand, two hundred twenty-two".