220221230 has 32 divisors (see below), whose sum is σ = 422283456. Its totient is φ = 82399744.

The previous prime is 220221227. The next prime is 220221233. The reversal of 220221230 is 32122022.

It is an interprime number because it is at equal distance from previous prime (220221227) and next prime (220221233).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220221233) 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 15 ways as a sum of consecutive naturals, for example, 24512 + ... + 32268.

It is an arithmetic number, because the mean of its divisors is an integer number (13196358).

Almost surely, 2^220221230 is an apocalyptic number.

220221230 is a deficient number, since it is larger than the sum of its proper divisors (202062226).

220221230 is a wasteful number, since it uses less digits than its factorization.

220221230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7948.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 220221230 is about 14839.8527620728. The cubic root of 220221230 is about 603.8833579564.

Adding to 220221230 its reverse (32122022), we get a palindrome (252343252).

It can be divided in two parts, 2202 and 21230, that added together give a palindrome (23432).

The spelling of 220221230 in words is "two hundred twenty million, two hundred twenty-one thousand, two hundred thirty".