538216226 has 32 divisors (see below), whose sum is σ = 872819712. Its totient is φ = 247991040.

The previous prime is 538216207. The next prime is 538216241. The reversal of 538216226 is 622612835.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 434480 + ... + 435716.

It is an arithmetic number, because the mean of its divisors is an integer number (27275616).

Almost surely, 2^538216226 is an apocalyptic number.

538216226 is a deficient number, since it is larger than the sum of its proper divisors (334603486).

538216226 is a wasteful number, since it uses less digits than its factorization.

538216226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514.

The product of its digits is 34560, while the sum is 35.

The square root of 538216226 is about 23199.4876236524. The cubic root of 538216226 is about 813.4276463163.

The spelling of 538216226 in words is "five hundred thirty-eight million, two hundred sixteen thousand, two hundred twenty-six".