13222301231 has 4 divisors (see below), whose sum is σ = 13223703864. Its totient is φ = 13220898600.

The previous prime is 13222301201. The next prime is 13222301233. The reversal of 13222301231 is 13210322231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13210322231 = 58741 ⋅224891.

It is a cyclic number.

It is not a de Polignac number, because 13222301231 - 2¹⁸ = 13222039087 is a prime.

It is a super-2 number, since 2×13222301231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222301233) 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, 687080 + ... + 706061.

It is an arithmetic number, because the mean of its divisors is an integer number (3305925966).

Almost surely, 2^13222301231 is an apocalyptic number.

13222301231 is a deficient number, since it is larger than the sum of its proper divisors (1402633).

13222301231 is an equidigital number, since it uses as much as digits as its factorization.

13222301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402632.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 13222301231 its reverse (13210322231), we get a palindrome (26432623462).

The spelling of 13222301231 in words is "thirteen billion, two hundred twenty-two million, three hundred one thousand, two hundred thirty-one".