22387381278019 has 2 divisors, whose sum is σ = 22387381278020. Its totient is φ = 22387381278018.

The previous prime is 22387381277971. The next prime is 22387381278061. The reversal of 22387381278019 is 91087218378322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22387381278019 - 2²¹ = 22387379180867 is a prime.

It is a super-2 number, since 2×22387381278019² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22387381278419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11193690639009 + 11193690639010.

It is an arithmetic number, because the mean of its divisors is an integer number (11193690639010).

Almost surely, 2^{22387381278019} is an apocalyptic number.

22387381278019 is a deficient number, since it is larger than the sum of its proper divisors (1).

22387381278019 is an equidigital number, since it uses as much as digits as its factorization.

22387381278019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16257024, while the sum is 61.

The spelling of 22387381278019 in words is "twenty-two trillion, three hundred eighty-seven billion, three hundred eighty-one million, two hundred seventy-eight thousand, nineteen".