122422771 has 2 divisors, whose sum is σ = 122422772. Its totient is φ = 122422770.

The previous prime is 122422753. The next prime is 122422777. The reversal of 122422771 is 177224221.

It is a strong prime.

It is an emirp because it is prime and its reverse (177224221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122422771 is a prime.

It is not a weakly prime, because it can be changed into another prime (122422777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61211385 + 61211386.

It is an arithmetic number, because the mean of its divisors is an integer number (61211386).

Almost surely, 2^122422771 is an apocalyptic number.

122422771 is a deficient number, since it is larger than the sum of its proper divisors (1).

122422771 is an equidigital number, since it uses as much as digits as its factorization.

122422771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3136, while the sum is 28.

The square root of 122422771 is about 11064.4824099458. The cubic root of 122422771 is about 496.5398039922.

Adding to 122422771 its reverse (177224221), we get a palindrome (299646992).

The spelling of 122422771 in words is "one hundred twenty-two million, four hundred twenty-two thousand, seven hundred seventy-one".