499997422 has 4 divisors (see below), whose sum is σ = 749996136. Its totient is φ = 249998710.

The previous prime is 499997413. The next prime is 499997423. The reversal of 499997422 is 224799994.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499997423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124999354 + ... + 124999357.

It is an arithmetic number, because the mean of its divisors is an integer number (187499034).

Almost surely, 2^499997422 is an apocalyptic number.

499997422 is a deficient number, since it is larger than the sum of its proper divisors (249998714).

499997422 is a wasteful number, since it uses less digits than its factorization.

499997422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249998713.

The product of its digits is 2939328, while the sum is 55.

The square root of 499997422 is about 22360.6221290911. The cubic root of 499997422 is about 793.6991618751.

The spelling of 499997422 in words is "four hundred ninety-nine million, nine hundred ninety-seven thousand, four hundred twenty-two".