13231223222 has 8 divisors (see below), whose sum is σ = 22682096976. Its totient is φ = 5670524232.

The previous prime is 13231223197. The next prime is 13231223293. The reversal of 13231223222 is 22232213231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13231223222² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472543673 + ... + 472543700.

It is an arithmetic number, because the mean of its divisors is an integer number (2835262122).

Almost surely, 2^13231223222 is an apocalyptic number.

13231223222 is a deficient number, since it is larger than the sum of its proper divisors (9450873754).

13231223222 is an equidigital number, since it uses as much as digits as its factorization.

13231223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945087382.

The product of its digits is 1728, while the sum is 23.

Adding to 13231223222 its reverse (22232213231), we get a palindrome (35463436453).

Subtracting 13231223222 from its reverse (22232213231), we obtain a palindrome (9000990009).

The spelling of 13231223222 in words is "thirteen billion, two hundred thirty-one million, two hundred twenty-three thousand, two hundred twenty-two".