21044314 has 16 divisors (see below), whose sum is σ = 32853600. Its totient is φ = 10097584.

The previous prime is 21044311. The next prime is 21044341. The reversal of 21044314 is 41344012.

It is a junction number, because it is equal to n+sod(n) for n = 21044291 and 21044300.

It is not an unprimeable number, because it can be changed into a prime (21044311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9369 + ... + 11395.

It is an arithmetic number, because the mean of its divisors is an integer number (2053350).

Almost surely, 2^21044314 is an apocalyptic number.

21044314 is a deficient number, since it is larger than the sum of its proper divisors (11809286).

21044314 is a wasteful number, since it uses less digits than its factorization.

21044314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 21044314 is about 4587.4082007164. The cubic root of 21044314 is about 276.0863431461.

Adding to 21044314 its reverse (41344012), we get a palindrome (62388326).

The spelling of 21044314 in words is "twenty-one million, forty-four thousand, three hundred fourteen".