531315226 has 64 divisors (see below), whose sum is σ = 925344000. Its totient is φ = 226930176.

The previous prime is 531315217. The next prime is 531315299. The reversal of 531315226 is 622513135.

It is a junction number, because it is equal to n+sod(n) for n = 531315194 and 531315203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3565800 + ... + 3565948.

It is an arithmetic number, because the mean of its divisors is an integer number (14458500).

Almost surely, 2^531315226 is an apocalyptic number.

531315226 is a deficient number, since it is larger than the sum of its proper divisors (394028774).

531315226 is a wasteful number, since it uses less digits than its factorization.

531315226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its digits is 5400, while the sum is 28.

The square root of 531315226 is about 23050.2760504077. The cubic root of 531315226 is about 809.9360951463.

The spelling of 531315226 in words is "five hundred thirty-one million, three hundred fifteen thousand, two hundred twenty-six".