216422033 has 8 divisors (see below), whose sum is σ = 218243520. Its totient is φ = 214608240.

The previous prime is 216422021. The next prime is 216422047. The reversal of 216422033 is 330224612.

216422033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 216422033 - 2¹² = 216417937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216422333) 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, 63548 + ... + 66866.

It is an arithmetic number, because the mean of its divisors is an integer number (27280440).

Almost surely, 2^216422033 is an apocalyptic number.

It is an amenable number.

216422033 is a deficient number, since it is larger than the sum of its proper divisors (1821487).

216422033 is a wasteful number, since it uses less digits than its factorization.

216422033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 216422033 is about 14711.2893044763. The cubic root of 216422033 is about 600.3905170685.

Adding to 216422033 its reverse (330224612), we get a palindrome (546646645).

The spelling of 216422033 in words is "two hundred sixteen million, four hundred twenty-two thousand, thirty-three".