842222311478 has 8 divisors (see below), whose sum is σ = 1269681877200. Its totient is φ = 418995019080.

The previous prime is 842222311421. The next prime is 842222311499. The reversal of 842222311478 is 874113222248.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1058067833 + ... + 1058068628.

It is an arithmetic number, because the mean of its divisors is an integer number (158710234650).

Almost surely, 2^842222311478 is an apocalyptic number.

842222311478 is a deficient number, since it is larger than the sum of its proper divisors (427459565722).

842222311478 is a wasteful number, since it uses less digits than its factorization.

842222311478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2116136662.

The product of its digits is 344064, while the sum is 44.

The spelling of 842222311478 in words is "eight hundred forty-two billion, two hundred twenty-two million, three hundred eleven thousand, four hundred seventy-eight".