423166822 has 64 divisors (see below), whose sum is σ = 781099200. Its totient is φ = 169758720.

The previous prime is 423166801. The next prime is 423166829. The reversal of 423166822 is 228661324.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423166829) 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 in 31 ways as a sum of consecutive naturals, for example, 343704 + ... + 344932.

It is an arithmetic number, because the mean of its divisors is an integer number (12204675).

Almost surely, 2^423166822 is an apocalyptic number.

423166822 is a deficient number, since it is larger than the sum of its proper divisors (357932378).

423166822 is a wasteful number, since it uses less digits than its factorization.

423166822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1321.

The product of its digits is 27648, while the sum is 34.

The square root of 423166822 is about 20571.0189830256. The cubic root of 423166822 is about 750.7647441051.

The spelling of 423166822 in words is "four hundred twenty-three million, one hundred sixty-six thousand, eight hundred twenty-two".