225502025 has 48 divisors (see below), whose sum is σ = 340871040. Its totient is φ = 144460800.

The previous prime is 225502003. The next prime is 225502031. The reversal of 225502025 is 520205522.

It is a happy number.

225502025 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 225502025 - 2¹⁶ = 225436489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 681110 + ... + 681440.

It is an arithmetic number, because the mean of its divisors is an integer number (7101480).

Almost surely, 2^225502025 is an apocalyptic number.

225502025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225502025 is a deficient number, since it is larger than the sum of its proper divisors (115369015).

225502025 is a wasteful number, since it uses less digits than its factorization.

225502025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 225502025 is about 15016.7248426546. The cubic root of 225502025 is about 608.6722216783.

Adding to 225502025 its reverse (520205522), we get a palindrome (745707547).

The spelling of 225502025 in words is "two hundred twenty-five million, five hundred two thousand, twenty-five".