225403016 has 16 divisors (see below), whose sum is σ = 425324940. Its totient is φ = 111983040.

The previous prime is 225402997. The next prime is 225403027. The reversal of 225403016 is 610304522.

It can be written as a sum of positive squares in 2 ways, for example, as 177156100 + 48246916 = 13310^2 + 6946^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225402982 and 225403000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88475 + ... + 90986.

Almost surely, 2^225403016 is an apocalyptic number.

It is an amenable number.

225403016 is a deficient number, since it is larger than the sum of its proper divisors (199921924).

225403016 is a wasteful number, since it uses less digits than its factorization.

225403016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179624 (or 179620 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 225403016 is about 15013.4278564224. The cubic root of 225403016 is about 608.5831273565.

Adding to 225403016 its reverse (610304522), we get a palindrome (835707538).

The spelling of 225403016 in words is "two hundred twenty-five million, four hundred three thousand, sixteen".