122230221989 has 4 divisors (see below), whose sum is σ = 126445057260. Its totient is φ = 118015386720.

The previous prime is 122230221983. The next prime is 122230222013. The reversal of 122230221989 is 989122032221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56677324900 + 65552897089 = 238070^2 + 256033^2 .

It is a cyclic number.

It is not a de Polignac number, because 122230221989 - 2⁴ = 122230221973 is a prime.

It is a super-2 number, since 2×122230221989² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122230221983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2107417592 + ... + 2107417649.

It is an arithmetic number, because the mean of its divisors is an integer number (31611264315).

Almost surely, 2^122230221989 is an apocalyptic number.

It is an amenable number.

122230221989 is a deficient number, since it is larger than the sum of its proper divisors (4214835271).

122230221989 is an equidigital number, since it uses as much as digits as its factorization.

122230221989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214835270.

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

The spelling of 122230221989 in words is "one hundred twenty-two billion, two hundred thirty million, two hundred twenty-one thousand, nine hundred eighty-nine".