84272212922 has 4 divisors (see below), whose sum is σ = 126408319386. Its totient is φ = 42136106460.

The previous prime is 84272212919. The next prime is 84272212939. The reversal of 84272212922 is 22921227248.

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

It can be written as a sum of positive squares in only one way, i.e., 84227067961 + 45144961 = 290219^2 + 6719^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 84272212922.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21068053229 + ... + 21068053232.

Almost surely, 2^84272212922 is an apocalyptic number.

84272212922 is a deficient number, since it is larger than the sum of its proper divisors (42136106464).

84272212922 is a wasteful number, since it uses less digits than its factorization.

84272212922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42136106463.

The product of its digits is 129024, while the sum is 41.

The spelling of 84272212922 in words is "eighty-four billion, two hundred seventy-two million, two hundred twelve thousand, nine hundred twenty-two".