216226046 has 16 divisors (see below), whose sum is σ = 335488608. Its totient is φ = 104448000.

The previous prime is 216226033. The next prime is 216226051. The reversal of 216226046 is 640622612.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4355 + ... + 21246.

It is an arithmetic number, because the mean of its divisors is an integer number (20968038).

Almost surely, 2^216226046 is an apocalyptic number.

216226046 is a deficient number, since it is larger than the sum of its proper divisors (119262562).

216226046 is a wasteful number, since it uses less digits than its factorization.

216226046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25747.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 216226046 is about 14704.6266868629. The cubic root of 216226046 is about 600.2092288822.

Adding to 216226046 its reverse (640622612), we get a palindrome (856848658).

The spelling of 216226046 in words is "two hundred sixteen million, two hundred twenty-six thousand, forty-six".