21482196 has 48 divisors (see below), whose sum is σ = 52496640. Its totient is φ = 6830080.

The previous prime is 21482191. The next prime is 21482239. The reversal of 21482196 is 69128412.

It is a super-2 number, since 2×21482196² = 922969489964832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21482191) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22660 + ... + 23588.

It is an arithmetic number, because the mean of its divisors is an integer number (1093680).

Almost surely, 2^21482196 is an apocalyptic number.

It is an amenable number.

21482196 is an abundant number, since it is smaller than the sum of its proper divisors (31014444).

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

21482196 is a wasteful number, since it uses less digits than its factorization.

21482196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024 (or 1022 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 21482196 is about 4634.8889954345. Note that the first 3 decimals coincide. The cubic root of 21482196 is about 277.9881125983.

The spelling of 21482196 in words is "twenty-one million, four hundred eighty-two thousand, one hundred ninety-six".