1322222451389 has 24 divisors (see below), whose sum is σ = 1540060200000. Its totient is φ = 1131886828800.

The previous prime is 1322222451349. The next prime is 1322222451391. The reversal of 1322222451389 is 9831542222231.

It is a happy number.

It is not a de Polignac number, because 1322222451389 - 2²⁸ = 1321954015933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322222451349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179866064 + ... + 179873414.

It is an arithmetic number, because the mean of its divisors is an integer number (64169175000).

Almost surely, 2^{1322222451389} is an apocalyptic number.

It is an amenable number.

1322222451389 is a deficient number, since it is larger than the sum of its proper divisors (217837748611).

1322222451389 is a wasteful number, since it uses less digits than its factorization.

1322222451389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11553 (or 11546 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The spelling of 1322222451389 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-two million, four hundred fifty-one thousand, three hundred eighty-nine".