22031324219 has 2 divisors, whose sum is σ = 22031324220. Its totient is φ = 22031324218.

The previous prime is 22031324207. The next prime is 22031324221. The reversal of 22031324219 is 91242313022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22031324219 - 2³² = 17736356923 is a prime.

It is a super-2 number, since 2×22031324219² (a number of 21 digits) contains 22 as substring.

Together with 22031324221, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22031324191 and 22031324200.

It is not a weakly prime, because it can be changed into another prime (22031321219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015662109 + 11015662110.

It is an arithmetic number, because the mean of its divisors is an integer number (11015662110).

Almost surely, 2^22031324219 is an apocalyptic number.

22031324219 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031324219 is an equidigital number, since it uses as much as digits as its factorization.

22031324219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 22031324219 in words is "twenty-two billion, thirty-one million, three hundred twenty-four thousand, two hundred nineteen".