220115224 has 32 divisors (see below), whose sum is σ = 483184800. Its totient is φ = 92033280.

The previous prime is 220115197. The next prime is 220115227. The reversal of 220115224 is 422511022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220115227) 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, 45639 + ... + 50230.

It is an arithmetic number, because the mean of its divisors is an integer number (15099525).

Almost surely, 2^220115224 is an apocalyptic number.

It is an amenable number.

220115224 is an abundant number, since it is smaller than the sum of its proper divisors (263069576).

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

220115224 is a wasteful number, since it uses less digits than its factorization.

220115224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95923 (or 95919 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 220115224 is about 14836.2806659890. The cubic root of 220115224 is about 603.7864470251.

Adding to 220115224 its reverse (422511022), we get a palindrome (642626246).

The spelling of 220115224 in words is "two hundred twenty million, one hundred fifteen thousand, two hundred twenty-four".