22002021233 has 4 divisors (see below), whose sum is σ = 22311908928. Its totient is φ = 21692133540.

The previous prime is 22002021229. The next prime is 22002021247. The reversal of 22002021233 is 33212020022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22002021233 - 2² = 22002021229 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22002021263) 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 3 ways as a sum of consecutive naturals, for example, 154943741 + ... + 154943882.

It is an arithmetic number, because the mean of its divisors is an integer number (5577977232).

Almost surely, 2^22002021233 is an apocalyptic number.

It is an amenable number.

22002021233 is a deficient number, since it is larger than the sum of its proper divisors (309887695).

22002021233 is an equidigital number, since it uses as much as digits as its factorization.

22002021233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309887694.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 22002021233 its reverse (33212020022), we get a palindrome (55214041255).

The spelling of 22002021233 in words is "twenty-two billion, two million, twenty-one thousand, two hundred thirty-three".