225780418 has 16 divisors (see below), whose sum is σ = 343357056. Its totient is φ = 111333040.

The previous prime is 225780407. The next prime is 225780427. The reversal of 225780418 is 814087522.

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 7 ways as a sum of consecutive naturals, for example, 150480 + ... + 151972.

It is an arithmetic number, because the mean of its divisors is an integer number (21459816).

Almost surely, 2^225780418 is an apocalyptic number.

225780418 is a deficient number, since it is larger than the sum of its proper divisors (117576638).

225780418 is a wasteful number, since it uses less digits than its factorization.

225780418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2489.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 225780418 is about 15025.9914148784. The cubic root of 225780418 is about 608.9225969646.

The spelling of 225780418 in words is "two hundred twenty-five million, seven hundred eighty thousand, four hundred eighteen".