2872220433125 has 20 divisors (see below), whose sum is σ = 3800251764540. Its totient is φ = 2162613024000.

The previous prime is 2872220433059. The next prime is 2872220433127. The reversal of 2872220433125 is 5213340222782.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 2316063947044 + 556156486081 = 1521862^2 + 745759^2 .

It is not a de Polignac number, because 2872220433125 - 2²⁰ = 2872219384549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872220433127) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 135152690 + ... + 135173939.

It is an arithmetic number, because the mean of its divisors is an integer number (190012588227).

Almost surely, 2^{2872220433125} is an apocalyptic number.

2872220433125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2872220433125 is a deficient number, since it is larger than the sum of its proper divisors (928031331415).

2872220433125 is an equidigital number, since it uses as much as digits as its factorization.

2872220433125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270326666 (or 270326651 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 2872220433125 in words is "two trillion, eight hundred seventy-two billion, two hundred twenty million, four hundred thirty-three thousand, one hundred twenty-five".