220565522233 has 4 divisors (see below), whose sum is σ = 252074882560. Its totient is φ = 189056161908.

The previous prime is 220565522201. The next prime is 220565522237. The reversal of 220565522233 is 332225565022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220565522233 - 2⁵ = 220565522201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 220565522192 and 220565522201.

It is not an unprimeable number, because it can be changed into a prime (220565522237) 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, 15754680153 + ... + 15754680166.

It is an arithmetic number, because the mean of its divisors is an integer number (63018720640).

Almost surely, 2^220565522233 is an apocalyptic number.

It is an amenable number.

220565522233 is a deficient number, since it is larger than the sum of its proper divisors (31509360327).

220565522233 is an equidigital number, since it uses as much as digits as its factorization.

220565522233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31509360326.

The product of its (nonzero) digits is 216000, while the sum is 37.

The spelling of 220565522233 in words is "two hundred twenty billion, five hundred sixty-five million, five hundred twenty-two thousand, two hundred thirty-three".