499805922 has 64 divisors (see below), whose sum is σ = 1254104064. Its totient is φ = 129003840.

The previous prime is 499805921. The next prime is 499805941. The reversal of 499805922 is 229508994.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (499805921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71988 + ... + 78624.

It is an arithmetic number, because the mean of its divisors is an integer number (19595376).

Almost surely, 2^499805922 is an apocalyptic number.

499805922 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 499805922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627052032).

499805922 is an abundant number, since it is smaller than the sum of its proper divisors (754298142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499805922 is a wasteful number, since it uses less digits than its factorization.

499805922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6823.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 499805922 is about 22356.3396377851. The cubic root of 499805922 is about 793.5978194871.

The spelling of 499805922 in words is "four hundred ninety-nine million, eight hundred five thousand, nine hundred twenty-two".