499422 has 64 divisors (see below), whose sum is σ = 1327104. Its totient is φ = 121440.

The previous prime is 499403. The next prime is 499423. The reversal of 499422 is 224994.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 499422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499423) by changing a digit.

499422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10603 + ... + 10649.

It is an arithmetic number, because the mean of its divisors is an integer number (20736).

2⁴⁹⁹⁴²² is an apocalyptic number.

499422 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 499422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663552).

499422 is an abundant number, since it is smaller than the sum of its proper divisors (827682).

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

499422 is a wasteful number, since it uses less digits than its factorization.

499422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93.

The product of its digits is 5184, while the sum is 30.

The square root of 499422 is about 706.6979552822. The cubic root of 499422 is about 79.3394568789.

The spelling of 499422 in words is "four hundred ninety-nine thousand, four hundred twenty-two".