142031873222 has 4 divisors (see below), whose sum is σ = 213047809836. Its totient is φ = 71015936610.

The previous prime is 142031873219. The next prime is 142031873233. The reversal of 142031873222 is 222378130241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222378130241 = 607 ⋅366356063.

It is a super-2 number, since 2×142031873222² (a number of 23 digits) contains 22 as substring.

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, 35507968304 + ... + 35507968307.

It is an arithmetic number, because the mean of its divisors is an integer number (53261952459).

Almost surely, 2^142031873222 is an apocalyptic number.

142031873222 is a deficient number, since it is larger than the sum of its proper divisors (71015936614).

142031873222 is an equidigital number, since it uses as much as digits as its factorization.

142031873222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71015936613.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 142031873222 in words is "one hundred forty-two billion, thirty-one million, eight hundred seventy-three thousand, two hundred twenty-two".