220442231213233 has 4 divisors (see below), whose sum is σ = 220442522472180. Its totient is φ = 220441939954288.

The previous prime is 220442231213177. The next prime is 220442231213279. The reversal of 220442231213233 is 332312132244022.

It is a happy number.

220442231213233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122333067543184 + 98109163670049 = 11060428^2 + 9905007^2 .

It is a cyclic number.

It is not a de Polignac number, because 220442231213233 - 2²⁹ = 220441694342321 is a prime.

It is a super-2 number, since 2×220442231213233² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220442231213833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144491218 + ... + 146008891.

It is an arithmetic number, because the mean of its divisors is an integer number (55110630618045).

Almost surely, 2^{220442231213233} is an apocalyptic number.

It is an amenable number.

220442231213233 is a deficient number, since it is larger than the sum of its proper divisors (291258947).

220442231213233 is an equidigital number, since it uses as much as digits as its factorization.

220442231213233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291258946.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 220442231213233 its reverse (332312132244022), we get a palindrome (552754363457255).

The spelling of 220442231213233 in words is "two hundred twenty trillion, four hundred forty-two billion, two hundred thirty-one million, two hundred thirteen thousand, two hundred thirty-three".