225111518 has 8 divisors (see below), whose sum is σ = 357530112. Its totient is φ = 105934816.

The previous prime is 225111503. The next prime is 225111539. The reversal of 225111518 is 815111522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3310430 + ... + 3310497.

It is an arithmetic number, because the mean of its divisors is an integer number (44691264).

Almost surely, 2^225111518 is an apocalyptic number.

225111518 is a deficient number, since it is larger than the sum of its proper divisors (132418594).

225111518 is a wasteful number, since it uses less digits than its factorization.

225111518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6620946.

The product of its digits is 800, while the sum is 26.

The square root of 225111518 is about 15003.7168061784. The cubic root of 225111518 is about 608.3206681461.

The spelling of 225111518 in words is "two hundred twenty-five million, one hundred eleven thousand, five hundred eighteen".