1422188194844 has 48 divisors (see below), whose sum is σ = 2581917418080. Its totient is φ = 684638545920.

The previous prime is 1422188194813. The next prime is 1422188194849. The reversal of 1422188194844 is 4484918812241.

It is a self number, because there is not a number n which added to its sum of digits gives 1422188194844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1422188194849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64701584 + ... + 64723560.

It is an arithmetic number, because the mean of its divisors is an integer number (53789946210).

Almost surely, 2^{1422188194844} is an apocalyptic number.

It is an amenable number.

1422188194844 is a deficient number, since it is larger than the sum of its proper divisors (1159729223236).

1422188194844 is a wasteful number, since it uses less digits than its factorization.

1422188194844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23558 (or 23556 counting only the distinct ones).

The product of its digits is 4718592, while the sum is 56.

The spelling of 1422188194844 in words is "one trillion, four hundred twenty-two billion, one hundred eighty-eight million, one hundred ninety-four thousand, eight hundred forty-four".