122202221989 has 2 divisors, whose sum is σ = 122202221990. Its totient is φ = 122202221988.

The previous prime is 122202221971. The next prime is 122202222007. The reversal of 122202221989 is 989122202221.

It is a balanced prime because it is at equal distance from previous prime (122202221971) and next prime (122202222007).

It can be written as a sum of positive squares in only one way, i.e., 63900256225 + 58301965764 = 252785^2 + 241458^2 .

It is a cyclic number.

It is not a de Polignac number, because 122202221989 - 2²³ = 122193833381 is a prime.

It is a super-2 number, since 2×122202221989² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122202221689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61101110994 + 61101110995.

It is an arithmetic number, because the mean of its divisors is an integer number (61101110995).

Almost surely, 2^122202221989 is an apocalyptic number.

It is an amenable number.

122202221989 is a deficient number, since it is larger than the sum of its proper divisors (1).

122202221989 is an equidigital number, since it uses as much as digits as its factorization.

122202221989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 40.

The spelling of 122202221989 in words is "one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, nine hundred eighty-nine".