225311045 has 8 divisors (see below), whose sum is σ = 274181760. Its totient is φ = 177709840.

The previous prime is 225310993. The next prime is 225311057. The reversal of 225311045 is 540113522.

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

It is not a de Polignac number, because 225311045 - 2¹⁰ = 225310021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225311045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316985 + ... + 317694.

It is an arithmetic number, because the mean of its divisors is an integer number (34272720).

Almost surely, 2^225311045 is an apocalyptic number.

It is an amenable number.

225311045 is a deficient number, since it is larger than the sum of its proper divisors (48870715).

225311045 is an equidigital number, since it uses as much as digits as its factorization.

225311045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634755.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 225311045 is about 15010.3645858453. The cubic root of 225311045 is about 608.5003428781.

Adding to 225311045 its reverse (540113522), we get a palindrome (765424567).

The spelling of 225311045 in words is "two hundred twenty-five million, three hundred eleven thousand, forty-five".