225733752425 has 24 divisors (see below), whose sum is σ = 309261027456. Its totient is φ = 162574480640.

The previous prime is 225733752421. The next prime is 225733752449. The reversal of 225733752425 is 524257337522.

It is not a de Polignac number, because 225733752425 - 2² = 225733752421 is a prime.

It is a super-4 number, since 4×225733752425⁴ (a number of 47 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225733752425.

It is not an unprimeable number, because it can be changed into a prime (225733752421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11536709 + ... + 11556258.

It is an arithmetic number, because the mean of its divisors is an integer number (12885876144).

Almost surely, 2^225733752425 is an apocalyptic number.

225733752425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225733752425 is a deficient number, since it is larger than the sum of its proper divisors (83527275031).

225733752425 is a wasteful number, since it uses less digits than its factorization.

225733752425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23093017 (or 23093012 counting only the distinct ones).

The product of its digits is 3528000, while the sum is 47.

The spelling of 225733752425 in words is "two hundred twenty-five billion, seven hundred thirty-three million, seven hundred fifty-two thousand, four hundred twenty-five".