22243223411021 has 2 divisors, whose sum is σ = 22243223411022. Its totient is φ = 22243223411020.

The previous prime is 22243223410921. The next prime is 22243223411083. The reversal of 22243223411021 is 12011432234222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20804636664100 + 1438586746921 = 4561210^2 + 1199411^2 .

It is a cyclic number.

It is not a de Polignac number, because 22243223411021 - 2²² = 22243219216717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22243223411221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11121611705510 + 11121611705511.

It is an arithmetic number, because the mean of its divisors is an integer number (11121611705511).

Almost surely, 2^{22243223411021} is an apocalyptic number.

It is an amenable number.

22243223411021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22243223411021 is an equidigital number, since it uses as much as digits as its factorization.

22243223411021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 22243223411021 its reverse (12011432234222), we get a palindrome (34254655645243).

The spelling of 22243223411021 in words is "twenty-two trillion, two hundred forty-three billion, two hundred twenty-three million, four hundred eleven thousand, twenty-one".