22210000209689 has 2 divisors, whose sum is σ = 22210000209690. Its totient is φ = 22210000209688.

The previous prime is 22210000209679. The next prime is 22210000209731. The reversal of 22210000209689 is 98690200001222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13474919472400 + 8735080737289 = 3670820^2 + 2955517^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22210000209689 is a prime.

It is not a weakly prime, because it can be changed into another prime (22210000209679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11105000104844 + 11105000104845.

It is an arithmetic number, because the mean of its divisors is an integer number (11105000104845).

Almost surely, 2^{22210000209689} is an apocalyptic number.

It is an amenable number.

22210000209689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22210000209689 is an equidigital number, since it uses as much as digits as its factorization.

22210000209689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 22210000209689 in words is "twenty-two trillion, two hundred ten billion, two hundred nine thousand, six hundred eighty-nine".