1322401222426 has 16 divisors (see below), whose sum is σ = 2016697044096. Its totient is φ = 650203082496.

The previous prime is 1322401222411. The next prime is 1322401222453. The reversal of 1322401222426 is 6242221042231.

It is a happy 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, 8474386 + ... + 8629021.

It is an arithmetic number, because the mean of its divisors is an integer number (126043565256).

Almost surely, 2^{1322401222426} is an apocalyptic number.

1322401222426 is a deficient number, since it is larger than the sum of its proper divisors (694295821670).

1322401222426 is a wasteful number, since it uses less digits than its factorization.

1322401222426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17104053.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1322401222426 its reverse (6242221042231), we get a palindrome (7564622264657).

The spelling of 1322401222426 in words is "one trillion, three hundred twenty-two billion, four hundred one million, two hundred twenty-two thousand, four hundred twenty-six".