20222224432481 has 2 divisors, whose sum is σ = 20222224432482. Its totient is φ = 20222224432480.

The previous prime is 20222224432447. The next prime is 20222224432559. The reversal of 20222224432481 is 18423442222202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19998703504081 + 223520928400 = 4471991^2 + 472780^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222224432481 - 2¹⁰ = 20222224431457 is a prime.

It is a super-2 number, since 2×20222224432481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20222224432411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111112216240 + 10111112216241.

It is an arithmetic number, because the mean of its divisors is an integer number (10111112216241).

Almost surely, 2^{20222224432481} is an apocalyptic number.

It is an amenable number.

20222224432481 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222224432481 is an equidigital number, since it uses as much as digits as its factorization.

20222224432481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196608, while the sum is 38.

Adding to 20222224432481 its reverse (18423442222202), we get a palindrome (38645666654683).

The spelling of 20222224432481 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty-four million, four hundred thirty-two thousand, four hundred eighty-one".