216230466 has 16 divisors (see below), whose sum is σ = 432647424. Its totient is φ = 72045744.

The previous prime is 216230461. The next prime is 216230473. The reversal of 216230466 is 664032612.

It is a super-2 number, since 2×216230466² = 93511228853154312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216230461) by changing a digit.

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, 10671 + ... + 23373.

It is an arithmetic number, because the mean of its divisors is an integer number (27040464).

Almost surely, 2^216230466 is an apocalyptic number.

216230466 is an abundant number, since it is smaller than the sum of its proper divisors (216416958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216230466 is a wasteful number, since it uses less digits than its factorization.

216230466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15545.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 216230466 is about 14704.7769789276. The cubic root of 216230466 is about 600.2133185941.

The spelling of 216230466 in words is "two hundred sixteen million, two hundred thirty thousand, four hundred sixty-six".