1223312133222 has 32 divisors (see below), whose sum is σ = 2723875983360. Its totient is φ = 406960024680.

The previous prime is 1223312133217. The next prime is 1223312133257. The reversal of 1223312133222 is 2223312133221.

1223312133222 is a `hidden beast` number, since 1 + 2 + 2 + 331 + 2 + 1 + 3 + 322 + 2 = 666.

It is a super-2 number, since 2×1223312133222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22491654 + ... + 22545977.

It is an arithmetic number, because the mean of its divisors is an integer number (85121124480).

Almost surely, 2^{1223312133222} is an apocalyptic number.

1223312133222 is an abundant number, since it is smaller than the sum of its proper divisors (1500563850138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223312133222 is a wasteful number, since it uses less digits than its factorization.

1223312133222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45038145 (or 45038139 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

Adding to 1223312133222 its reverse (2223312133221), we get a palindrome (3446624266443).

Subtracting 1223312133222 from its reverse (2223312133221), we obtain a palindrome (999999999999).

The spelling of 1223312133222 in words is "one trillion, two hundred twenty-three billion, three hundred twelve million, one hundred thirty-three thousand, two hundred twenty-two".