22302332621 has 2 divisors, whose sum is σ = 22302332622. Its totient is φ = 22302332620.

The previous prime is 22302332597. The next prime is 22302332627. The reversal of 22302332621 is 12623320322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18991596100 + 3310736521 = 137810^2 + 57539^2 .

It is a cyclic number.

It is not a de Polignac number, because 22302332621 - 2¹⁴ = 22302316237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22302332627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151166310 + 11151166311.

It is an arithmetic number, because the mean of its divisors is an integer number (11151166311).

Almost surely, 2^22302332621 is an apocalyptic number.

It is an amenable number.

22302332621 is a deficient number, since it is larger than the sum of its proper divisors (1).

22302332621 is an equidigital number, since it uses as much as digits as its factorization.

22302332621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 22302332621 its reverse (12623320322), we get a palindrome (34925652943).

The spelling of 22302332621 in words is "twenty-two billion, three hundred two million, three hundred thirty-two thousand, six hundred twenty-one".