220890224 has 40 divisors (see below), whose sum is σ = 442471680. Its totient is φ = 106762688.

The previous prime is 220890217. The next prime is 220890233. The reversal of 220890224 is 422098022.

It is a super-3 number, since 3×220890224³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60647 + ... + 64185.

It is an arithmetic number, because the mean of its divisors is an integer number (11061792).

Almost surely, 2^220890224 is an apocalyptic number.

It is an amenable number.

220890224 is an abundant number, since it is smaller than the sum of its proper divisors (221581456).

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

220890224 is a wasteful number, since it uses less digits than its factorization.

220890224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3677 (or 3671 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 220890224 is about 14862.3761222760. The cubic root of 220890224 is about 604.4942375158.

The spelling of 220890224 in words is "two hundred twenty million, eight hundred ninety thousand, two hundred twenty-four".