21482662 has 8 divisors (see below), whose sum is σ = 34119576. Its totient is φ = 10109472.

The previous prime is 21482633. The next prime is 21482663. The reversal of 21482662 is 26628412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21482663) 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 3 ways as a sum of consecutive naturals, for example, 315888 + ... + 315955.

It is an arithmetic number, because the mean of its divisors is an integer number (4264947).

Almost surely, 2^21482662 is an apocalyptic number.

21482662 is a deficient number, since it is larger than the sum of its proper divisors (12636914).

21482662 is a wasteful number, since it uses less digits than its factorization.

21482662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631862.

The product of its digits is 9216, while the sum is 31.

The square root of 21482662 is about 4634.9392660530. The cubic root of 21482662 is about 277.9901226586.

The spelling of 21482662 in words is "twenty-one million, four hundred eighty-two thousand, six hundred sixty-two".