21882066284 has 24 divisors (see below), whose sum is σ = 41266719648. Its totient is φ = 10092695040.

The previous prime is 21882066277. The next prime is 21882066343. The reversal of 21882066284 is 48266028812.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60677 + ... + 217820.

It is an arithmetic number, because the mean of its divisors is an integer number (1719446652).

Almost surely, 2^21882066284 is an apocalyptic number.

It is an amenable number.

21882066284 is a deficient number, since it is larger than the sum of its proper divisors (19384653364).

21882066284 is a wasteful number, since it uses less digits than its factorization.

21882066284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280025 (or 280023 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 47.

The spelling of 21882066284 in words is "twenty-one billion, eight hundred eighty-two million, sixty-six thousand, two hundred eighty-four".