225102245 has 8 divisors (see below), whose sum is σ = 274154784. Its totient is φ = 177393744.

The previous prime is 225102239. The next prime is 225102301. The reversal of 225102245 is 542201522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225102245 - 2⁶ = 225102181 is a prime.

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 225102245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335639 + ... + 336308.

It is an arithmetic number, because the mean of its divisors is an integer number (34269348).

Almost surely, 2^225102245 is an apocalyptic number.

It is an amenable number.

225102245 is a deficient number, since it is larger than the sum of its proper divisors (49052539).

225102245 is an equidigital number, since it uses as much as digits as its factorization.

225102245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672019.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 225102245 is about 15003.4077795679. The cubic root of 225102245 is about 608.3123151972.

Adding to 225102245 its reverse (542201522), we get a palindrome (767303767).

The spelling of 225102245 in words is "two hundred twenty-five million, one hundred two thousand, two hundred forty-five".