22180920319 has 2 divisors, whose sum is σ = 22180920320. Its totient is φ = 22180920318.

The previous prime is 22180920277. The next prime is 22180920407. The reversal of 22180920319 is 91302908122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22180920319 - 2⁷ = 22180920191 is a prime.

It is a super-2 number, since 2×22180920319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22180920719) 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, 11090460159 + 11090460160.

It is an arithmetic number, because the mean of its divisors is an integer number (11090460160).

Almost surely, 2^22180920319 is an apocalyptic number.

22180920319 is a deficient number, since it is larger than the sum of its proper divisors (1).

22180920319 is an equidigital number, since it uses as much as digits as its factorization.

22180920319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 22180920319 in words is "twenty-two billion, one hundred eighty million, nine hundred twenty thousand, three hundred nineteen".