3187445891622 has 16 divisors (see below), whose sum is σ = 6421423841712. Its totient is φ = 1054726620800.

The previous prime is 3187445891611. The next prime is 3187445891659. The reversal of 3187445891622 is 2261985447813.

It is a super-2 number, since 2×3187445891622² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1938834879 + ... + 1938836522.

It is an arithmetic number, because the mean of its divisors is an integer number (401338990107).

Almost surely, 2^{3187445891622} is an apocalyptic number.

3187445891622 is an abundant number, since it is smaller than the sum of its proper divisors (3233977950090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3187445891622 is a wasteful number, since it uses less digits than its factorization.

3187445891622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877671543.

The product of its digits is 23224320, while the sum is 60.

The spelling of 3187445891622 in words is "three trillion, one hundred eighty-seven billion, four hundred forty-five million, eight hundred ninety-one thousand, six hundred twenty-two".