22233002021 has 2 divisors, whose sum is σ = 22233002022. Its totient is φ = 22233002020.

The previous prime is 22233001991. The next prime is 22233002041. The reversal of 22233002021 is 12020033222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11796132100 + 10436869921 = 108610^2 + 102161^2 .

It is a cyclic number.

It is not a de Polignac number, because 22233002021 - 2¹⁴ = 22232985637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22233002041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11116501010 + 11116501011.

It is an arithmetic number, because the mean of its divisors is an integer number (11116501011).

Almost surely, 2^22233002021 is an apocalyptic number.

It is an amenable number.

22233002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22233002021 is an equidigital number, since it uses as much as digits as its factorization.

22233002021 is an evil number, because the sum of its binary digits is even.

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

Adding to 22233002021 its reverse (12020033222), we get a palindrome (34253035243).

The spelling of 22233002021 in words is "twenty-two billion, two hundred thirty-three million, two thousand, twenty-one".