122222222219 has 4 divisors (see below), whose sum is σ = 123343527120. Its totient is φ = 121100917320.

The previous prime is 122222222197. The next prime is 122222222237. The reversal of 122222222219 is 912222222221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 912222222221 = 5861 ⋅155642761.

It is a cyclic number.

It is not a de Polignac number, because 122222222219 - 2²⁴ = 122205445003 is a prime.

It is a super-2 number, since 2×122222222219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122222222191 and 122222222200.

It is not an unprimeable number, because it can be changed into a prime (122222222299) 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, 560652287 + ... + 560652504.

It is an arithmetic number, because the mean of its divisors is an integer number (30835881780).

Almost surely, 2^122222222219 is an apocalyptic number.

122222222219 is a deficient number, since it is larger than the sum of its proper divisors (1121304901).

122222222219 is a wasteful number, since it uses less digits than its factorization.

122222222219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121304900.

The product of its digits is 4608, while the sum is 29.

The spelling of 122222222219 in words is "one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred nineteen".