22170621607 has 2 divisors, whose sum is σ = 22170621608. Its totient is φ = 22170621606.

The previous prime is 22170621569. The next prime is 22170621617. The reversal of 22170621607 is 70612607122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22170621607 - 2⁷ = 22170621479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22170621617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11085310803 + 11085310804.

It is an arithmetic number, because the mean of its divisors is an integer number (11085310804).

Almost surely, 2^22170621607 is an apocalyptic number.

22170621607 is a deficient number, since it is larger than the sum of its proper divisors (1).

22170621607 is an equidigital number, since it uses as much as digits as its factorization.

22170621607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 22170621607 in words is "twenty-two billion, one hundred seventy million, six hundred twenty-one thousand, six hundred seven".