122722219 has 2 divisors, whose sum is σ = 122722220. Its totient is φ = 122722218.

The previous prime is 122722213. The next prime is 122722247. The reversal of 122722219 is 912227221.

It is an a-pointer prime, because the next prime (122722247) can be obtained adding 122722219 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122722219 - 2¹⁵ = 122689451 is a prime.

It is a super-2 number, since 2×122722219² = 30121486072567922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122722213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61361109 + 61361110.

It is an arithmetic number, because the mean of its divisors is an integer number (61361110).

Almost surely, 2^122722219 is an apocalyptic number.

122722219 is a deficient number, since it is larger than the sum of its proper divisors (1).

122722219 is an equidigital number, since it uses as much as digits as its factorization.

122722219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 122722219 is about 11078.0060931559. The cubic root of 122722219 is about 496.9443223770.

The spelling of 122722219 in words is "one hundred twenty-two million, seven hundred twenty-two thousand, two hundred nineteen".