225510898 has 4 divisors (see below), whose sum is σ = 338266350. Its totient is φ = 112755448.

The previous prime is 225510889. The next prime is 225510907. The reversal of 225510898 is 898015522.

225510898 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 is an interprime number because it is at equal distance from previous prime (225510889) and next prime (225510907).

It can be written as a sum of positive squares in only one way, i.e., 185858689 + 39652209 = 13633^2 + 6297^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 225510898.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56377723 + ... + 56377726.

Almost surely, 2^225510898 is an apocalyptic number.

225510898 is a deficient number, since it is larger than the sum of its proper divisors (112755452).

225510898 is a wasteful number, since it uses less digits than its factorization.

225510898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112755451.

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 225510898 is about 15017.0202770057. The cubic root of 225510898 is about 608.6802048702.

The spelling of 225510898 in words is "two hundred twenty-five million, five hundred ten thousand, eight hundred ninety-eight".