499722500 has 30 divisors (see below), whose sum is σ = 1092798630. Its totient is φ = 199888000.

The previous prime is 499722469. The next prime is 499722523. The reversal of 499722500 is 5227994.

It can be written as a sum of positive squares in 5 ways, for example, as 249892864 + 249829636 = 15808^2 + 15806^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 97445 + ... + 102444.

It is an arithmetic number, because the mean of its divisors is an integer number (36426621).

Almost surely, 2^499722500 is an apocalyptic number.

It is an amenable number.

499722500 is an abundant number, since it is smaller than the sum of its proper divisors (593076130).

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

499722500 is a wasteful number, since it uses less digits than its factorization.

499722500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199913 (or 199896 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 499722500 is about 22354.4738251653. The cubic root of 499722500 is about 793.5536642140.

The spelling of 499722500 in words is "four hundred ninety-nine million, seven hundred twenty-two thousand, five hundred".