22112122219 has 4 divisors (see below), whose sum is σ = 24122315160. Its totient is φ = 20101929280.

The previous prime is 22112122181. The next prime is 22112122229. The reversal of 22112122219 is 91222121122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22112122219 - 2¹⁹ = 22111597931 is a prime.

It is a super-2 number, since 2×22112122219² (a number of 21 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 = 22112122193 and 22112122202.

It is not an unprimeable number, because it can be changed into a prime (22112122229) 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, 1005096454 + ... + 1005096475.

It is an arithmetic number, because the mean of its divisors is an integer number (6030578790).

Almost surely, 2^22112122219 is an apocalyptic number.

22112122219 is a deficient number, since it is larger than the sum of its proper divisors (2010192941).

22112122219 is a wasteful number, since it uses less digits than its factorization.

22112122219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010192940.

The product of its digits is 576, while the sum is 25.

The spelling of 22112122219 in words is "twenty-two billion, one hundred twelve million, one hundred twenty-two thousand, two hundred nineteen".