499335221 has 64 divisors (see below), whose sum is σ = 681246720. Its totient is φ = 354594240.

The previous prime is 499335211. The next prime is 499335233. The reversal of 499335221 is 122533994.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-499335221 is a prime.

It is a super-2 number, since 2×499335221² = 498671325862237682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499335211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6016046 + ... + 6016128.

It is an arithmetic number, because the mean of its divisors is an integer number (10644480).

Almost surely, 2^499335221 is an apocalyptic number.

It is an amenable number.

499335221 is a deficient number, since it is larger than the sum of its proper divisors (181911499).

499335221 is a wasteful number, since it uses less digits than its factorization.

499335221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its digits is 58320, while the sum is 38.

The square root of 499335221 is about 22345.8099204303. The cubic root of 499335221 is about 793.3486130138.

The spelling of 499335221 in words is "four hundred ninety-nine million, three hundred thirty-five thousand, two hundred twenty-one".