215034226 has 16 divisors (see below), whose sum is σ = 353649600. Its totient is φ = 97249680.

The previous prime is 215034203. The next prime is 215034247. The reversal of 215034226 is 622430512.

It is a self number, because there is not a number n which added to its sum of digits gives 215034226.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20181 + ... + 28936.

It is an arithmetic number, because the mean of its divisors is an integer number (22103100).

Almost surely, 2^215034226 is an apocalyptic number.

215034226 is a deficient number, since it is larger than the sum of its proper divisors (138615374).

215034226 is a wasteful number, since it uses less digits than its factorization.

215034226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49329.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 215034226 is about 14664.0453490843. The cubic root of 215034226 is about 599.1044287334.

Adding to 215034226 its reverse (622430512), we get a palindrome (837464738).

The spelling of 215034226 in words is "two hundred fifteen million, thirty-four thousand, two hundred twenty-six".