210022220069 has 2 divisors, whose sum is σ = 210022220070. Its totient is φ = 210022220068.

The previous prime is 210022219999. The next prime is 210022220071. The reversal of 210022220069 is 960022220012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208803302500 + 1218917569 = 456950^2 + 34913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210022220069 is a prime.

It is a super-2 number, since 2×210022220069² (a number of 23 digits) contains 22 as substring.

Together with 210022220071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210022220099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011110034 + 105011110035.

It is an arithmetic number, because the mean of its divisors is an integer number (105011110035).

Almost surely, 2^210022220069 is an apocalyptic number.

It is an amenable number.

210022220069 is a deficient number, since it is larger than the sum of its proper divisors (1).

210022220069 is an equidigital number, since it uses as much as digits as its factorization.

210022220069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 210022220069 in words is "two hundred ten billion, twenty-two million, two hundred twenty thousand, sixty-nine".