220045874 has 16 divisors (see below), whose sum is σ = 341362176. Its totient is φ = 106272000.

The previous prime is 220045831. The next prime is 220045879. The reversal of 220045874 is 478540022.

It is a self number, because there is not a number n which added to its sum of digits gives 220045874.

It is not an unprimeable number, because it can be changed into a prime (220045879) by changing a digit.

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, 32699 + ... + 38849.

It is an arithmetic number, because the mean of its divisors is an integer number (21335136).

Almost surely, 2^220045874 is an apocalyptic number.

220045874 is a deficient number, since it is larger than the sum of its proper divisors (121316302).

220045874 is a wasteful number, since it uses less digits than its factorization.

220045874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6761.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 220045874 is about 14833.9433058105. The cubic root of 220045874 is about 603.7230302570.

Adding to 220045874 its reverse (478540022), we get a palindrome (698585896).

The spelling of 220045874 in words is "two hundred twenty million, forty-five thousand, eight hundred seventy-four".