22012220207 has 2 divisors, whose sum is σ = 22012220208. Its totient is φ = 22012220206.

The previous prime is 22012220147. The next prime is 22012220239. The reversal of 22012220207 is 70202221022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22012220207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22012220807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11006110103 + 11006110104.

It is an arithmetic number, because the mean of its divisors is an integer number (11006110104).

Almost surely, 2^22012220207 is an apocalyptic number.

22012220207 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012220207 is an equidigital number, since it uses as much as digits as its factorization.

22012220207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 20.

Adding to 22012220207 its reverse (70202221022), we get a palindrome (92214441229).

The spelling of 22012220207 in words is "twenty-two billion, twelve million, two hundred twenty thousand, two hundred seven".