22000222129 has 2 divisors, whose sum is σ = 22000222130. Its totient is φ = 22000222128.

The previous prime is 22000222117. The next prime is 22000222147. The reversal of 22000222129 is 92122200022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12154621504 + 9845600625 = 110248^2 + 99225^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22000222129 is a prime.

It is not a weakly prime, because it can be changed into another prime (22000229129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000111064 + 11000111065.

It is an arithmetic number, because the mean of its divisors is an integer number (11000111065).

Almost surely, 2^22000222129 is an apocalyptic number.

It is an amenable number.

22000222129 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000222129 is an equidigital number, since it uses as much as digits as its factorization.

22000222129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The spelling of 22000222129 in words is "twenty-two billion, two hundred twenty-two thousand, one hundred twenty-nine".