225299345 has 4 divisors (see below), whose sum is σ = 270359220. Its totient is φ = 180239472.

The previous prime is 225299339. The next prime is 225299383. The reversal of 225299345 is 543992522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129572689 + 95726656 = 11383^2 + 9784^2 .

It is a cyclic number.

It is not a de Polignac number, because 225299345 - 2¹⁸ = 225037201 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22529930 + ... + 22529939.

It is an arithmetic number, because the mean of its divisors is an integer number (67589805).

Almost surely, 2^225299345 is an apocalyptic number.

It is an amenable number.

225299345 is a deficient number, since it is larger than the sum of its proper divisors (45059875).

225299345 is an equidigital number, since it uses as much as digits as its factorization.

225299345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45059874.

The product of its digits is 194400, while the sum is 41.

The square root of 225299345 is about 15009.9748500789. The cubic root of 225299345 is about 608.4898099173.

The spelling of 225299345 in words is "two hundred twenty-five million, two hundred ninety-nine thousand, three hundred forty-five".