225835825 has 12 divisors (see below), whose sum is σ = 280361520. Its totient is φ = 180458960.

The previous prime is 225835823. The next prime is 225835829. The reversal of 225835825 is 528538522.

It is not a de Polignac number, because 225835825 - 2¹ = 225835823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225835823) 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, 18906 + ... + 28444.

It is an arithmetic number, because the mean of its divisors is an integer number (23363460).

Almost surely, 2^225835825 is an apocalyptic number.

225835825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225835825 is a deficient number, since it is larger than the sum of its proper divisors (54525695).

225835825 is an equidigital number, since it uses as much as digits as its factorization.

225835825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10496 (or 10491 counting only the distinct ones).

The product of its digits is 192000, while the sum is 40.

The square root of 225835825 is about 15027.8350070794. The cubic root of 225835825 is about 608.9724031955.

It can be divided in two parts, 2258 and 35825, that added together give a palindrome (38083).

The spelling of 225835825 in words is "two hundred twenty-five million, eight hundred thirty-five thousand, eight hundred twenty-five".