22045312332816 has 80 divisors (see below), whose sum is σ = 60249024768000. Its totient is φ = 6926694217344.

The previous prime is 22045312332809. The next prime is 22045312332913. The reversal of 22045312332816 is 61823321354022.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60553416 + ... + 60916391.

It is an arithmetic number, because the mean of its divisors is an integer number (753112809600).

Almost surely, 2^{22045312332816} is an apocalyptic number.

It is an amenable number.

22045312332816 is an abundant number, since it is smaller than the sum of its proper divisors (38203712435184).

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

22045312332816 is a wasteful number, since it uses less digits than its factorization.

22045312332816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121470036 (or 121470030 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 42.

Adding to 22045312332816 its reverse (61823321354022), we get a palindrome (83868633686838).

The spelling of 22045312332816 in words is "twenty-two trillion, forty-five billion, three hundred twelve million, three hundred thirty-two thousand, eight hundred sixteen".