21882066282 has 24 divisors (see below), whose sum is σ = 47579877540. Its totient is φ = 7268063040.

The previous prime is 21882066277. The next prime is 21882066343. The reversal of 21882066282 is 28266028812.

21882066282 is a `hidden beast` number, since 2 + 18 + 8 + 2 + 0 + 6 + 628 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18552891681 + 3329174601 = 136209^2 + 57699^2 .

It is a super-3 number, since 3×21882066282³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2158057 + ... + 2168172.

Almost surely, 2^21882066282 is an apocalyptic number.

21882066282 is an abundant number, since it is smaller than the sum of its proper divisors (25697811258).

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

21882066282 is a wasteful number, since it uses less digits than its factorization.

21882066282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4326518 (or 4326515 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 21882066282 in words is "twenty-one billion, eight hundred eighty-two million, sixty-six thousand, two hundred eighty-two".