22919374019 has 2 divisors, whose sum is σ = 22919374020. Its totient is φ = 22919374018.

The previous prime is 22919373991. The next prime is 22919374021. The reversal of 22919374019 is 91047391922.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22919374019 is a prime.

It is a super-2 number, since 2×22919374019² (a number of 22 digits) contains 22 as substring.

Together with 22919374021, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22919374069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11459687009 + 11459687010.

It is an arithmetic number, because the mean of its divisors is an integer number (11459687010).

Almost surely, 2^22919374019 is an apocalyptic number.

22919374019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22919374019 is an equidigital number, since it uses as much as digits as its factorization.

22919374019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 22919374019 in words is "twenty-two billion, nine hundred nineteen million, three hundred seventy-four thousand, nineteen".