18228222583 has 2 divisors, whose sum is σ = 18228222584. Its totient is φ = 18228222582.

The previous prime is 18228222577. The next prime is 18228222599. The reversal of 18228222583 is 38522282281.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18228222583 - 2²¹ = 18226125431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18228222563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9114111291 + 9114111292.

It is an arithmetic number, because the mean of its divisors is an integer number (9114111292).

Almost surely, 2^18228222583 is an apocalyptic number.

18228222583 is a deficient number, since it is larger than the sum of its proper divisors (1).

18228222583 is an equidigital number, since it uses as much as digits as its factorization.

18228222583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 245760, while the sum is 43.

The spelling of 18228222583 in words is "eighteen billion, two hundred twenty-eight million, two hundred twenty-two thousand, five hundred eighty-three".