13022230221 has 128 divisors (see below), whose sum is σ = 26394439680. Its totient is φ = 6125932800.

The previous prime is 13022230213. The next prime is 13022230223. The reversal of 13022230221 is 12203222031.

It is not a de Polignac number, because 13022230221 - 2³ = 13022230213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13022230194 and 13022230203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13022230223) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1427886 + ... + 1436976.

It is an arithmetic number, because the mean of its divisors is an integer number (206206560).

Almost surely, 2^13022230221 is an apocalyptic number.

13022230221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13022230221 is an abundant number, since it is smaller than the sum of its proper divisors (13372209459).

13022230221 is a wasteful number, since it uses less digits than its factorization.

13022230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9184 (or 9178 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13022230221 its reverse (12203222031), we get a palindrome (25225452252).

The spelling of 13022230221 in words is "thirteen billion, twenty-two million, two hundred thirty thousand, two hundred twenty-one".