2144622267472 has 20 divisors (see below), whose sum is σ = 4155228373140. Its totient is φ = 1072305267968.

The previous prime is 2144622267461. The next prime is 2144622267497. The reversal of 2144622267472 is 2747622264412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1104760757776 + 1039861509696 = 1051076^2 + 1019736^2 .

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, 5367354 + ... + 5753062.

It is an arithmetic number, because the mean of its divisors is an integer number (207761418657).

Almost surely, 2^{2144622267472} is an apocalyptic number.

It is an amenable number.

2144622267472 is a deficient number, since it is larger than the sum of its proper divisors (2010606105668).

2144622267472 is a wasteful number, since it uses less digits than its factorization.

2144622267472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733230 (or 733224 counting only the distinct ones).

The product of its digits is 3612672, while the sum is 49.

The spelling of 2144622267472 in words is "two trillion, one hundred forty-four billion, six hundred twenty-two million, two hundred sixty-seven thousand, four hundred seventy-two".