21335314 has 32 divisors (see below), whose sum is σ = 42973056. Its totient is φ = 7672320.

The previous prime is 21335311. The next prime is 21335339. The reversal of 21335314 is 41353312.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (21335311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3327 + ... + 7330.

It is an arithmetic number, because the mean of its divisors is an integer number (1342908).

Almost surely, 2^21335314 is an apocalyptic number.

21335314 is an abundant number, since it is smaller than the sum of its proper divisors (21637742).

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

21335314 is a wasteful number, since it uses less digits than its factorization.

21335314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10690.

The product of its digits is 1080, while the sum is 22.

The square root of 21335314 is about 4619.0165619967. The cubic root of 21335314 is about 277.3530927094.

Adding to 21335314 its reverse (41353312), we get a palindrome (62688626).

It can be divided in two parts, 2133 and 5314, that added together give a palindrome (7447).

The spelling of 21335314 in words is "twenty-one million, three hundred thirty-five thousand, three hundred fourteen".