21222002333 has 8 divisors (see below), whose sum is σ = 24845271360. Its totient is φ = 17746621920.

The previous prime is 21222002323. The next prime is 21222002357. The reversal of 21222002333 is 33320022212.

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 21222002333 - 2²⁸ = 20953566877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222002303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36971843 + ... + 36972416.

It is an arithmetic number, because the mean of its divisors is an integer number (3105658920).

Almost surely, 2^21222002333 is an apocalyptic number.

It is an amenable number.

21222002333 is a deficient number, since it is larger than the sum of its proper divisors (3623269027).

21222002333 is an equidigital number, since it uses as much as digits as its factorization.

21222002333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73944307.

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

Adding to 21222002333 its reverse (33320022212), we get a palindrome (54542024545).

The spelling of 21222002333 in words is "twenty-one billion, two hundred twenty-two million, two thousand, three hundred thirty-three".