220122330231 has 16 divisors (see below), whose sum is σ = 306355645440. Its totient is φ = 140322721440.

The previous prime is 220122330229. The next prime is 220122330247. The reversal of 220122330231 is 132033221022.

It is a happy number.

It is not a de Polignac number, because 220122330231 - 2¹ = 220122330229 is a prime.

It is a super-2 number, since 2×220122330231² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220122330198 and 220122330207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220122330221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296200 + ... + 726621.

It is an arithmetic number, because the mean of its divisors is an integer number (19147227840).

Almost surely, 2^220122330231 is an apocalyptic number.

220122330231 is a deficient number, since it is larger than the sum of its proper divisors (86233315209).

220122330231 is a wasteful number, since it uses less digits than its factorization.

220122330231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025966.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 220122330231 its reverse (132033221022), we get a palindrome (352155551253).

The spelling of 220122330231 in words is "two hundred twenty billion, one hundred twenty-two million, three hundred thirty thousand, two hundred thirty-one".