218230033 has 8 divisors (see below), whose sum is σ = 256146752. Its totient is φ = 181998576.

The previous prime is 218230027. The next prime is 218230043. The reversal of 218230033 is 330032812.

It is a happy number.

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 218230033 - 2¹³ = 218221841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 218229986 and 218230013.

It is not an unprimeable number, because it can be changed into a prime (218230013) 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, 421035 + ... + 421552.

It is an arithmetic number, because the mean of its divisors is an integer number (32018344).

Almost surely, 2^218230033 is an apocalyptic number.

It is an amenable number.

218230033 is a deficient number, since it is larger than the sum of its proper divisors (37916719).

218230033 is an equidigital number, since it uses as much as digits as its factorization.

218230033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842631.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 218230033 is about 14772.6109066746. The cubic root of 218230033 is about 602.0577798722.

Adding to 218230033 its reverse (330032812), we get a palindrome (548262845).

The spelling of 218230033 in words is "two hundred eighteen million, two hundred thirty thousand, thirty-three".