12232213222 has 16 divisors (see below), whose sum is σ = 18738216000. Its totient is φ = 5987502400.

The previous prime is 12232213193. The next prime is 12232213261. The reversal of 12232213222 is 22231223221.

It is a junction number, because it is equal to n+sod(n) for n = 12232213193 and 12232213202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322222 + ... + 358177.

It is an arithmetic number, because the mean of its divisors is an integer number (1171138500).

Almost surely, 2^12232213222 is an apocalyptic number.

12232213222 is a deficient number, since it is larger than the sum of its proper divisors (6506002778).

12232213222 is a wasteful number, since it uses less digits than its factorization.

12232213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680591.

The product of its digits is 1152, while the sum is 22.

Adding to 12232213222 its reverse (22231223221), we get a palindrome (34463436443).

Subtracting 12232213222 from its reverse (22231223221), we obtain a palindrome (9999009999).

The spelling of 12232213222 in words is "twelve billion, two hundred thirty-two million, two hundred thirteen thousand, two hundred twenty-two".