22222211112007 has 2 divisors, whose sum is σ = 22222211112008. Its totient is φ = 22222211112006.

The previous prime is 22222211111987. The next prime is 22222211112029. The reversal of 22222211112007 is 70021111222222.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22222211112007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222211112047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11111105556003 + 11111105556004.

It is an arithmetic number, because the mean of its divisors is an integer number (11111105556004).

Almost surely, 2^{22222211112007} is an apocalyptic number.

22222211112007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222211112007 is an equidigital number, since it uses as much as digits as its factorization.

22222211112007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 22222211112007 its reverse (70021111222222), we get a palindrome (92243322334229).

The spelling of 22222211112007 in words is "twenty-two trillion, two hundred twenty-two billion, two hundred eleven million, one hundred twelve thousand, seven".