225012345 has 32 divisors (see below), whose sum is σ = 382769280. Its totient is φ = 112550400.

The previous prime is 225012341. The next prime is 225012373. The reversal of 225012345 is 543210522.

It is not a de Polignac number, because 225012345 - 2² = 225012341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225012341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24877 + ... + 32693.

It is an arithmetic number, because the mean of its divisors is an integer number (11961540).

Almost surely, 2^225012345 is an apocalyptic number.

It is an amenable number.

225012345 is a deficient number, since it is larger than the sum of its proper divisors (157756935).

225012345 is a wasteful number, since it uses less digits than its factorization.

225012345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7945.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 225012345 is about 15000.4114943557. The cubic root of 225012345 is about 608.2313230256.

Adding to 225012345 its reverse (543210522), we get a palindrome (768222867).

The spelling of 225012345 in words is "two hundred twenty-five million, twelve thousand, three hundred forty-five".