224955618 has 32 divisors (see below), whose sum is σ = 461362176. Its totient is φ = 73084368.

The previous prime is 224955593. The next prime is 224955629. The reversal of 224955618 is 816559422.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 224955618.

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 15 ways as a sum of consecutive naturals, for example, 228355 + ... + 229337.

It is an arithmetic number, because the mean of its divisors is an integer number (14417568).

Almost surely, 2^224955618 is an apocalyptic number.

224955618 is an abundant number, since it is smaller than the sum of its proper divisors (236406558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

224955618 is a wasteful number, since it uses less digits than its factorization.

224955618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918.

The product of its digits is 172800, while the sum is 42.

The square root of 224955618 is about 14998.5205270387. The cubic root of 224955618 is about 608.1802057737.

The spelling of 224955618 in words is "two hundred twenty-four million, nine hundred fifty-five thousand, six hundred eighteen".