21482822 has 8 divisors (see below), whose sum is σ = 32247072. Its totient is φ = 10733800.

The previous prime is 21482809. The next prime is 21482827. The reversal of 21482822 is 22828412.

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 (21482827) 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, 872 + ... + 6612.

It is an arithmetic number, because the mean of its divisors is an integer number (4030884).

Almost surely, 2^21482822 is an apocalyptic number.

21482822 is a deficient number, since it is larger than the sum of its proper divisors (10764250).

21482822 is a wasteful number, since it uses less digits than its factorization.

21482822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7614.

The product of its digits is 4096, while the sum is 29.

The square root of 21482822 is about 4634.9565262255. The cubic root of 21482822 is about 277.9908128013.

The spelling of 21482822 in words is "twenty-one million, four hundred eighty-two thousand, eight hundred twenty-two".