13222243233 has 24 divisors (see below), whose sum is σ = 19154608200. Its totient is φ = 8789114880.

The previous prime is 13222243201. The next prime is 13222243253. The reversal of 13222243233 is 33234222231.

13222243233 is a `hidden beast` number, since 1 + 3 + 2 + 222 + 432 + 3 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2831091264 + 10391151969 = 53208^2 + 101937^2 .

It is not a de Polignac number, because 13222243233 - 2⁵ = 13222243201 is a prime.

It is a super-2 number, since 2×13222243233² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13222243197 and 13222243206.

It is not an unprimeable number, because it can be changed into a prime (13222243253) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6352753 + ... + 6354833.

It is an arithmetic number, because the mean of its divisors is an integer number (798108675).

Almost surely, 2^13222243233 is an apocalyptic number.

It is an amenable number.

13222243233 is a deficient number, since it is larger than the sum of its proper divisors (5932364967).

13222243233 is a wasteful number, since it uses less digits than its factorization.

13222243233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3809 (or 3806 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

Adding to 13222243233 its reverse (33234222231), we get a palindrome (46456465464).

The spelling of 13222243233 in words is "thirteen billion, two hundred twenty-two million, two hundred forty-three thousand, two hundred thirty-three".