21363362 has 8 divisors (see below), whose sum is σ = 32086992. Its totient is φ = 10667700.

The previous prime is 21363361. The next prime is 21363367. The reversal of 21363362 is 26336312.

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

It is not an unprimeable number, because it can be changed into a prime (21363361) 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, 4964 + ... + 8207.

It is an arithmetic number, because the mean of its divisors is an integer number (4010874).

Almost surely, 2^21363362 is an apocalyptic number.

21363362 is a deficient number, since it is larger than the sum of its proper divisors (10723630).

21363362 is a wasteful number, since it uses less digits than its factorization.

21363362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13984.

The product of its digits is 3888, while the sum is 26.

The square root of 21363362 is about 4622.0517089275. The cubic root of 21363362 is about 277.4745781976.

Adding to 21363362 its reverse (26336312), we get a palindrome (47699674).

The spelling of 21363362 in words is "twenty-one million, three hundred sixty-three thousand, three hundred sixty-two".