22122112007 has 2 divisors, whose sum is σ = 22122112008. Its totient is φ = 22122112006.

The previous prime is 22122111997. The next prime is 22122112037. The reversal of 22122112007 is 70021122122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22122112007 - 2⁶ = 22122111943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22122112007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22122112037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061056003 + 11061056004.

It is an arithmetic number, because the mean of its divisors is an integer number (11061056004).

Almost surely, 2^22122112007 is an apocalyptic number.

22122112007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122112007 is an equidigital number, since it uses as much as digits as its factorization.

22122112007 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 20.

Adding to 22122112007 its reverse (70021122122), we get a palindrome (92143234129).

The spelling of 22122112007 in words is "twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, seven".