225089818 has 4 divisors (see below), whose sum is σ = 337634730. Its totient is φ = 112544908.

The previous prime is 225089807. The next prime is 225089831. The reversal of 225089818 is 818980522.

225089818 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 only one way, i.e., 219721329 + 5368489 = 14823^2 + 2317^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56272453 + ... + 56272456.

Almost surely, 2^225089818 is an apocalyptic number.

225089818 is a deficient number, since it is larger than the sum of its proper divisors (112544912).

225089818 is a wasteful number, since it uses less digits than its factorization.

225089818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112544911.

The product of its (nonzero) digits is 92160, while the sum is 43.

The square root of 225089818 is about 15002.9936346051. The cubic root of 225089818 is about 608.3011208230.

The spelling of 225089818 in words is "two hundred twenty-five million, eighty-nine thousand, eight hundred eighteen".