225012404 has 24 divisors (see below), whose sum is σ = 411723648. Its totient is φ = 107396960.

The previous prime is 225012379. The next prime is 225012407. The reversal of 225012404 is 404210522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225012407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49049 + ... + 53439.

It is an arithmetic number, because the mean of its divisors is an integer number (17155152).

Almost surely, 2^225012404 is an apocalyptic number.

It is an amenable number.

225012404 is a deficient number, since it is larger than the sum of its proper divisors (186711244).

225012404 is a wasteful number, since it uses less digits than its factorization.

225012404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975 (or 4973 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 225012404 is about 15000.4134609683. The cubic root of 225012404 is about 608.2313761866.

Adding to 225012404 its reverse (404210522), we get a palindrome (629222926).

The spelling of 225012404 in words is "two hundred twenty-five million, twelve thousand, four hundred four".