22284281646 has 48 divisors (see below), whose sum is σ = 52687587888. Its totient is φ = 6750806400.

The previous prime is 22284281641. The next prime is 22284281681. The reversal of 22284281646 is 64618248222.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22284281641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 736986 + ... + 766626.

It is an arithmetic number, because the mean of its divisors is an integer number (1097658081).

Almost surely, 2^22284281646 is an apocalyptic number.

22284281646 is an abundant number, since it is smaller than the sum of its proper divisors (30403306242).

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

22284281646 is a wasteful number, since it uses less digits than its factorization.

22284281646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33457 (or 33454 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The spelling of 22284281646 in words is "twenty-two billion, two hundred eighty-four million, two hundred eighty-one thousand, six hundred forty-six".