216626230 has 32 divisors (see below), whose sum is σ = 405699840. Its totient is φ = 83180160.

The previous prime is 216626227. The next prime is 216626281. The reversal of 216626230 is 32626612.

It is a happy number.

It is a congruent number.

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, 50427 + ... + 54553.

It is an arithmetic number, because the mean of its divisors is an integer number (12678120).

Almost surely, 2^216626230 is an apocalyptic number.

216626230 is a deficient number, since it is larger than the sum of its proper divisors (189073610).

216626230 is a wasteful number, since it uses less digits than its factorization.

216626230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 216626230 is about 14718.2278145163. The cubic root of 216626230 is about 600.5792831310.

The spelling of 216626230 in words is "two hundred sixteen million, six hundred twenty-six thousand, two hundred thirty".