220222303231 has 12 divisors (see below), whose sum is σ = 258817970208. Its totient is φ = 186815970432.

The previous prime is 220222303211. The next prime is 220222303247. The reversal of 220222303231 is 132303222022.

It is not a de Polignac number, because 220222303231 - 2¹¹ = 220222301183 is a prime.

It is a super-2 number, since 2×220222303231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220222303211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23161911 + ... + 23171416.

It is an arithmetic number, because the mean of its divisors is an integer number (21568164184).

Almost surely, 2^220222303231 is an apocalyptic number.

220222303231 is a deficient number, since it is larger than the sum of its proper divisors (38595666977).

220222303231 is an equidigital number, since it uses as much as digits as its factorization.

220222303231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46333438 (or 46333431 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 220222303231 its reverse (132303222022), we get a palindrome (352525525253).

The spelling of 220222303231 in words is "two hundred twenty billion, two hundred twenty-two million, three hundred three thousand, two hundred thirty-one".