225023115 has 16 divisors (see below), whose sum is σ = 363225888. Its totient is φ = 118949376.

The previous prime is 225023111. The next prime is 225023167. The reversal of 225023115 is 511320522.

225023115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225023115 - 2² = 225023111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225023091 and 225023100.

It is not an unprimeable number, because it can be changed into a prime (225023111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64684 + ... + 68073.

It is an arithmetic number, because the mean of its divisors is an integer number (22701618).

Almost surely, 2^225023115 is an apocalyptic number.

225023115 is a deficient number, since it is larger than the sum of its proper divisors (138202773).

225023115 is a wasteful number, since it uses less digits than its factorization.

225023115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132878.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 225023115 is about 15000.7704802120. The cubic root of 225023115 is about 608.2410270070.

Adding to 225023115 its reverse (511320522), we get a palindrome (736343637).

The spelling of 225023115 in words is "two hundred twenty-five million, twenty-three thousand, one hundred fifteen".