216676229 has 8 divisors (see below), whose sum is σ = 270141888. Its totient is φ = 168838560.

The previous prime is 216676219. The next prime is 216676249. The reversal of 216676229 is 922676612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 216676229 - 2¹² = 216672133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216676219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406912 + ... + 1407065.

It is an arithmetic number, because the mean of its divisors is an integer number (33767736).

Almost surely, 2^216676229 is an apocalyptic number.

It is an amenable number.

216676229 is a deficient number, since it is larger than the sum of its proper divisors (53465659).

216676229 is a wasteful number, since it uses less digits than its factorization.

216676229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813995.

The product of its digits is 108864, while the sum is 41.

The square root of 216676229 is about 14719.9262566088. The cubic root of 216676229 is about 600.6254856825.

The spelling of 216676229 in words is "two hundred sixteen million, six hundred seventy-six thousand, two hundred twenty-nine".