1223132313222 has 64 divisors (see below), whose sum is σ = 2864851416000. Its totient is φ = 386224360704.

The previous prime is 1223132313173. The next prime is 1223132313229. The reversal of 1223132313222 is 2223132313221.

1223132313222 is a `hidden beast` number, since 1 + 2 + 2 + 313 + 23 + 1 + 322 + 2 = 666.

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 not an unprimeable number, because it can be changed into a prime (1223132313229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7285447 + ... + 7451442.

It is an arithmetic number, because the mean of its divisors is an integer number (44763303375).

Almost surely, 2^{1223132313222} is an apocalyptic number.

1223132313222 is an abundant number, since it is smaller than the sum of its proper divisors (1641719102778).

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

1223132313222 is a wasteful number, since it uses less digits than its factorization.

1223132313222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14736982 (or 14736976 counting only the distinct ones).

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

Adding to 1223132313222 its reverse (2223132313221), we get a palindrome (3446264626443).

Subtracting 1223132313222 from its reverse (2223132313221), we obtain a palindrome (999999999999).

The spelling of 1223132313222 in words is "one trillion, two hundred twenty-three billion, one hundred thirty-two million, three hundred thirteen thousand, two hundred twenty-two".