22102221007 has 2 divisors, whose sum is σ = 22102221008. Its totient is φ = 22102221006.

The previous prime is 22102220983. The next prime is 22102221017. The reversal of 22102221007 is 70012220122.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22102221007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22102221017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051110503 + 11051110504.

It is an arithmetic number, because the mean of its divisors is an integer number (11051110504).

Almost surely, 2^22102221007 is an apocalyptic number.

22102221007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102221007 is an equidigital number, since it uses as much as digits as its factorization.

22102221007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 22102221007 its reverse (70012220122), we get a palindrome (92114441129).

The spelling of 22102221007 in words is "twenty-two billion, one hundred two million, two hundred twenty-one thousand, seven".