2223654615125 has 16 divisors (see below), whose sum is σ = 2813136326832. Its totient is φ = 1754554867200.

The previous prime is 2223654615103. The next prime is 2223654615157. The reversal of 2223654615125 is 5215164563222.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 608902423684 + 1614752191441 = 780322^2 + 1270729^2 .

It is not a de Polignac number, because 2223654615125 - 2²⁰ = 2223653566549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121834964 + ... + 121853213.

It is an arithmetic number, because the mean of its divisors is an integer number (175821020427).

Almost surely, 2^{2223654615125} is an apocalyptic number.

2223654615125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2223654615125 is a deficient number, since it is larger than the sum of its proper divisors (589481711707).

2223654615125 is an equidigital number, since it uses as much as digits as its factorization.

2223654615125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243688265 (or 243688255 counting only the distinct ones).

The product of its digits is 864000, while the sum is 44.

The spelling of 2223654615125 in words is "two trillion, two hundred twenty-three billion, six hundred fifty-four million, six hundred fifteen thousand, one hundred twenty-five".