225004357 has 4 divisors (see below), whose sum is σ = 226995660. Its totient is φ = 223013056.

The previous prime is 225004349. The next prime is 225004361. The reversal of 225004357 is 753400522.

225004357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 72012196 + 152992161 = 8486^2 + 12369^2 .

It is a cyclic number.

It is not a de Polignac number, because 225004357 - 2³ = 225004349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225004657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 995482 + ... + 995707.

It is an arithmetic number, because the mean of its divisors is an integer number (56748915).

Almost surely, 2^225004357 is an apocalyptic number.

It is an amenable number.

225004357 is a deficient number, since it is larger than the sum of its proper divisors (1991303).

225004357 is a wasteful number, since it uses less digits than its factorization.

225004357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1991302.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 225004357 is about 15000.1452326302. The cubic root of 225004357 is about 608.2241254808.

Adding to 225004357 its reverse (753400522), we get a palindrome (978404879).

The spelling of 225004357 in words is "two hundred twenty-five million, four thousand, three hundred fifty-seven".