22943394816 has 88 divisors (see below), whose sum is σ = 61197668784. Its totient is φ = 7642152960.

The previous prime is 22943394797. The next prime is 22943394823. The reversal of 22943394816 is 61849334922.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7349736 + ... + 7352856.

Almost surely, 2^22943394816 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22943394816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30598834392).

22943394816 is an abundant number, since it is smaller than the sum of its proper divisors (38254273968).

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

22943394816 is a wasteful number, since it uses less digits than its factorization.

22943394816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5537 (or 5519 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 51.

The spelling of 22943394816 in words is "twenty-two billion, nine hundred forty-three million, three hundred ninety-four thousand, eight hundred sixteen".