1422644646764 has 24 divisors (see below), whose sum is σ = 2716023214800. Its totient is φ = 646641121280.

The previous prime is 1422644646763. The next prime is 1422644646901. The reversal of 1422644646764 is 4676464462241.

It is not an unprimeable number, because it can be changed into a prime (1422644646763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1575332 + ... + 2308020.

It is an arithmetic number, because the mean of its divisors is an integer number (113167633950).

Almost surely, 2^{1422644646764} is an apocalyptic number.

It is an amenable number.

1422644646764 is a deficient number, since it is larger than the sum of its proper divisors (1293378568036).

1422644646764 is a wasteful number, since it uses less digits than its factorization.

1422644646764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776833 (or 776831 counting only the distinct ones).

The product of its digits is 37158912, while the sum is 56.

The spelling of 1422644646764 in words is "one trillion, four hundred twenty-two billion, six hundred forty-four million, six hundred forty-six thousand, seven hundred sixty-four".