22212112007 has 2 divisors, whose sum is σ = 22212112008. Its totient is φ = 22212112006.

The previous prime is 22212111919. The next prime is 22212112057. The reversal of 22212112007 is 70021121222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22212112007 - 2²² = 22207917703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22212112007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22212112057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106056003 + 11106056004.

It is an arithmetic number, because the mean of its divisors is an integer number (11106056004).

Almost surely, 2^22212112007 is an apocalyptic number.

22212112007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212112007 is an equidigital number, since it uses as much as digits as its factorization.

22212112007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 22212112007 its reverse (70021121222), we get a palindrome (92233233229).

The spelling of 22212112007 in words is "twenty-two billion, two hundred twelve million, one hundred twelve thousand, seven".