22420312207 has 2 divisors, whose sum is σ = 22420312208. Its totient is φ = 22420312206.

The previous prime is 22420312139. The next prime is 22420312217. The reversal of 22420312207 is 70221302422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22420312207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22420312217) 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, 11210156103 + 11210156104.

It is an arithmetic number, because the mean of its divisors is an integer number (11210156104).

Almost surely, 2^22420312207 is an apocalyptic number.

22420312207 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420312207 is an equidigital number, since it uses as much as digits as its factorization.

22420312207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 22420312207 its reverse (70221302422), we get a palindrome (92641614629).

The spelling of 22420312207 in words is "twenty-two billion, four hundred twenty million, three hundred twelve thousand, two hundred seven".