1223130444222 has 64 divisors (see below), whose sum is σ = 2582366572800. Its totient is φ = 385149346560.

The previous prime is 1223130444139. The next prime is 1223130444287. The reversal of 1223130444222 is 2224440313221.

It is a self number, because there is not a number n which added to its sum of digits gives 1223130444222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132641572 + ... + 132650792.

It is an arithmetic number, because the mean of its divisors is an integer number (40349477700).

Almost surely, 2^{1223130444222} is an apocalyptic number.

1223130444222 is an abundant number, since it is smaller than the sum of its proper divisors (1359236128578).

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

1223130444222 is a wasteful number, since it uses less digits than its factorization.

1223130444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12441.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1223130444222 its reverse (2224440313221), we get a palindrome (3447570757443).

The spelling of 1223130444222 in words is "one trillion, two hundred twenty-three billion, one hundred thirty million, four hundred forty-four thousand, two hundred twenty-two".