216360322 has 4 divisors (see below), whose sum is σ = 324540486. Its totient is φ = 108180160.

The previous prime is 216360301. The next prime is 216360323. The reversal of 216360322 is 223063612.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 159794881 + 56565441 = 12641^2 + 7521^2 .

It is not an unprimeable number, because it can be changed into a prime (216360323) 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 as a sum of consecutive naturals, namely, 54090079 + ... + 54090082.

Almost surely, 2^216360322 is an apocalyptic number.

216360322 is a deficient number, since it is larger than the sum of its proper divisors (108180164).

216360322 is a wasteful number, since it uses less digits than its factorization.

216360322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108180163.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 216360322 is about 14709.1917520984. The cubic root of 216360322 is about 600.3334461366. Note that the first 3 decimals are identical.

The spelling of 216360322 in words is "two hundred sixteen million, three hundred sixty thousand, three hundred twenty-two".