21334322 has 8 divisors (see below), whose sum is σ = 32060016. Its totient is φ = 10647652.

The previous prime is 21334319. The next prime is 21334333. The reversal of 21334322 is 22343312.

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

It is a super-3 number, since 3×21334322³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21334294 and 21334303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8348 + ... + 10599.

It is an arithmetic number, because the mean of its divisors is an integer number (4007502).

Almost surely, 2^21334322 is an apocalyptic number.

21334322 is a deficient number, since it is larger than the sum of its proper divisors (10725694).

21334322 is a wasteful number, since it uses less digits than its factorization.

21334322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19512.

The product of its digits is 864, while the sum is 20.

The square root of 21334322 is about 4618.9091785832. The cubic root of 21334322 is about 277.3487940689.

Adding to 21334322 its reverse (22343312), we get a palindrome (43677634).

The spelling of 21334322 in words is "twenty-one million, three hundred thirty-four thousand, three hundred twenty-two".