486724221 has 10 divisors (see below), whose sum is σ = 727081982. Its totient is φ = 324482760.

The previous prime is 486724213. The next prime is 486724237. The reversal of 486724221 is 122427684.

It can be written as a sum of positive squares in only one way, i.e., 477903321 + 8820900 = 21861^2 + 2970^2 .

It is not a de Polignac number, because 486724221 - 2³ = 486724213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486724291) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3004390 + ... + 3004551.

Almost surely, 2^486724221 is an apocalyptic number.

It is an amenable number.

486724221 is a deficient number, since it is larger than the sum of its proper divisors (240357761).

486724221 is an equidigital number, since it uses as much as digits as its factorization.

486724221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6008953 (or 6008944 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 486724221 is about 22061.8272362014. The cubic root of 486724221 is about 786.6127585829.

The spelling of 486724221 in words is "four hundred eighty-six million, seven hundred twenty-four thousand, two hundred twenty-one".