220045424 has 10 divisors (see below), whose sum is σ = 426338040. Its totient is φ = 110022704.

The previous prime is 220045421. The next prime is 220045429. The reversal of 220045424 is 424540022.

It is a self number, because there is not a number n which added to its sum of digits gives 220045424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220045421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6876404 + ... + 6876435.

It is an arithmetic number, because the mean of its divisors is an integer number (42633804).

Almost surely, 2^220045424 is an apocalyptic number.

It is an amenable number.

220045424 is a deficient number, since it is larger than the sum of its proper divisors (206292616).

220045424 is a wasteful number, since it uses less digits than its factorization.

220045424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13752847 (or 13752841 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 220045424 is about 14833.9281378871. The cubic root of 220045424 is about 603.7226187132.

Adding to 220045424 its reverse (424540022), we get a palindrome (644585446).

The spelling of 220045424 in words is "two hundred twenty million, forty-five thousand, four hundred twenty-four".