1323222122444 has 48 divisors (see below), whose sum is σ = 2441219026176. Its totient is φ = 626335089600.

The previous prime is 1323222122437. The next prime is 1323222122477. The reversal of 1323222122444 is 4442212223231.

It is a self number, because there is not a number n which added to its sum of digits gives 1323222122444.

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, 10381139 + ... + 10507829.

It is an arithmetic number, because the mean of its divisors is an integer number (50858729712).

Almost surely, 2^{1323222122444} is an apocalyptic number.

It is an amenable number.

1323222122444 is a deficient number, since it is larger than the sum of its proper divisors (1117996903732).

1323222122444 is a wasteful number, since it uses less digits than its factorization.

1323222122444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127886 (or 127884 counting only the distinct ones).

The product of its digits is 36864, while the sum is 32.

Adding to 1323222122444 its reverse (4442212223231), we get a palindrome (5765434345675).

The spelling of 1323222122444 in words is "one trillion, three hundred twenty-three billion, two hundred twenty-two million, one hundred twenty-two thousand, four hundred forty-four".