22021333 has 8 divisors (see below), whose sum is σ = 22717440. Its totient is φ = 21334800.

The previous prime is 22021331. The next prime is 22021357. The reversal of 22021333 is 33312022.

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

It is a cyclic number.

It is not a de Polignac number, because 22021333 - 2¹ = 22021331 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021331) 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, 2428 + ... + 7066.

It is an arithmetic number, because the mean of its divisors is an integer number (2839680).

Almost surely, 2^22021333 is an apocalyptic number.

It is an amenable number.

22021333 is a deficient number, since it is larger than the sum of its proper divisors (696107).

22021333 is a wasteful number, since it uses less digits than its factorization.

22021333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4787.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 22021333 is about 4692.6893142419. The cubic root of 22021333 is about 280.2944733598.

Adding to 22021333 its reverse (33312022), we get a palindrome (55333355).

The spelling of 22021333 in words is "twenty-two million, twenty-one thousand, three hundred thirty-three".