1922391885344 has 36 divisors (see below), whose sum is σ = 4402620705294. Its totient is φ = 823882235904.

The previous prime is 1922391885313. The next prime is 1922391885389. The reversal of 1922391885344 is 4435881932291.

It can be written as a sum of positive squares in only one way, i.e., 1300028675344 + 622363210000 = 1140188^2 + 788900^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 613006049 + ... + 613009184.

Almost surely, 2^{1922391885344} is an apocalyptic number.

1922391885344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1922391885344 is an abundant number, since it is smaller than the sum of its proper divisors (2480228819950).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1922391885344 is a wasteful number, since it uses less digits than its factorization.

1922391885344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1226015257 (or 1226015242 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 59.

The spelling of 1922391885344 in words is "one trillion, nine hundred twenty-two billion, three hundred ninety-one million, eight hundred eighty-five thousand, three hundred forty-four".