216361230 has 32 divisors (see below), whose sum is σ = 541845504. Its totient is φ = 55187616.

The previous prime is 216361181. The next prime is 216361231. The reversal of 216361230 is 32163612.

It is a happy number.

216361230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×216361230² = 93624363694225800, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 216361230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216361231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156094 + ... + 157473.

It is an arithmetic number, because the mean of its divisors is an integer number (16932672).

Almost surely, 2^216361230 is an apocalyptic number.

216361230 is an abundant number, since it is smaller than the sum of its proper divisors (325484274).

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

216361230 is a wasteful number, since it uses less digits than its factorization.

216361230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313600.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 216361230 is about 14709.2226171202. Note that the first 3 decimals coincide. The cubic root of 216361230 is about 600.3342859425.

The spelling of 216361230 in words is "two hundred sixteen million, three hundred sixty-one thousand, two hundred thirty".