225030404 has 6 divisors (see below), whose sum is σ = 393803214. Its totient is φ = 112515200.

The previous prime is 225030371. The next prime is 225030419. The reversal of 225030404 is 404030522.

It can be written as a sum of positive squares in only one way, i.e., 157000900 + 68029504 = 12530^2 + 8248^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28128797 + ... + 28128804.

It is an arithmetic number, because the mean of its divisors is an integer number (65633869).

Almost surely, 2^225030404 is an apocalyptic number.

It is an amenable number.

225030404 is a deficient number, since it is larger than the sum of its proper divisors (168772810).

225030404 is a wasteful number, since it uses less digits than its factorization.

225030404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56257605 (or 56257603 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 225030404 is about 15001.0134324318. The cubic root of 225030404 is about 608.2475943634.

Adding to 225030404 its reverse (404030522), we get a palindrome (629060926).

The spelling of 225030404 in words is "two hundred twenty-five million, thirty thousand, four hundred four".