2288258725 has 12 divisors (see below), whose sum is σ = 2838054340. Its totient is φ = 1830211200.

The previous prime is 2288258723. The next prime is 2288258741. The reversal of 2288258725 is 5278528822.

It can be written as a sum of positive squares in 6 ways, for example, as 369293089 + 1918965636 = 19217^2 + 43806^2 .

It is not a de Polignac number, because 2288258725 - 2¹ = 2288258723 is a prime.

It is a super-2 number, since 2×2288258725² = 10472255985077251250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288258723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178015 + ... + 190435.

Almost surely, 2^2288258725 is an apocalyptic number.

2288258725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2288258725 is a deficient number, since it is larger than the sum of its proper divisors (549795615).

2288258725 is a wasteful number, since it uses less digits than its factorization.

2288258725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19800 (or 19795 counting only the distinct ones).

The product of its digits is 1433600, while the sum is 49.

The square root of 2288258725 is about 47835.7473548810. The cubic root of 2288258725 is about 1317.7561213906.

The spelling of 2288258725 in words is "two billion, two hundred eighty-eight million, two hundred fifty-eight thousand, seven hundred twenty-five".