20222012223197 has 2 divisors, whose sum is σ = 20222012223198. Its totient is φ = 20222012223196.

The previous prime is 20222012223169. The next prime is 20222012223211. The reversal of 20222012223197 is 79132221022202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14175006630841 + 6047005592356 = 3764971^2 + 2459066^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222012223197 - 2³⁴ = 20204832354013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20222012223157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111006111598 + 10111006111599.

It is an arithmetic number, because the mean of its divisors is an integer number (10111006111599).

Almost surely, 2^{20222012223197} is an apocalyptic number.

It is an amenable number.

20222012223197 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222012223197 is an equidigital number, since it uses as much as digits as its factorization.

20222012223197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 20222012223197 its reverse (79132221022202), we get a palindrome (99354233245399).

The spelling of 20222012223197 in words is "twenty trillion, two hundred twenty-two billion, twelve million, two hundred twenty-three thousand, one hundred ninety-seven".