922226819 has 2 divisors, whose sum is σ = 922226820. Its totient is φ = 922226818.

The previous prime is 922226783. The next prime is 922226867. The reversal of 922226819 is 918622229.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 922226819 - 2¹² = 922222723 is a prime.

It is a super-2 number, since 2×922226819² = 1701004611365717522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (922228819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461113409 + 461113410.

It is an arithmetic number, because the mean of its divisors is an integer number (461113410).

Almost surely, 2^922226819 is an apocalyptic number.

922226819 is a deficient number, since it is larger than the sum of its proper divisors (1).

922226819 is an equidigital number, since it uses as much as digits as its factorization.

922226819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 922226819 is about 30368.1876146734. The cubic root of 922226819 is about 973.3728965930.

The spelling of 922226819 in words is "nine hundred twenty-two million, two hundred twenty-six thousand, eight hundred nineteen".