499722 has 16 divisors (see below), whose sum is σ = 1026912. Its totient is φ = 162000.

The previous prime is 499717. The next prime is 499729. The reversal of 499722 is 227994.

It is a super-4 number, since 4×499722⁴ (a number of 24 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (499729) by changing a digit.

499722 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 904 + ... + 1347.

It is an arithmetic number, because the mean of its divisors is an integer number (64182).

2⁴⁹⁹⁷²² is an apocalyptic number.

499722 is an abundant number, since it is smaller than the sum of its proper divisors (527190).

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

499722 is a wasteful number, since it uses less digits than its factorization.

499722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2293.

The product of its digits is 9072, while the sum is 33.

The square root of 499722 is about 706.9101781698. The cubic root of 499722 is about 79.3553399549.

It can be divided in two parts, 499 and 722, that added together give a palindrome (1221).

The spelling of 499722 in words is "four hundred ninety-nine thousand, seven hundred twenty-two".