225104425 has 24 divisors (see below), whose sum is σ = 343547456. Its totient is φ = 142482240.

The previous prime is 225104401. The next prime is 225104437. The reversal of 225104425 is 524401522.

225104425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225104425 - 2⁵ = 225104393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 225104425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47199 + ... + 51748.

Almost surely, 2^225104425 is an apocalyptic number.

225104425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225104425 is a deficient number, since it is larger than the sum of its proper divisors (118443031).

225104425 is a wasteful number, since it uses less digits than its factorization.

225104425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98977 (or 98972 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 225104425 is about 15003.4804295537. The cubic root of 225104425 is about 608.3142789220.

Adding to 225104425 its reverse (524401522), we get a palindrome (749505947).

The spelling of 225104425 in words is "two hundred twenty-five million, one hundred four thousand, four hundred twenty-five".