221033030 has 8 divisors (see below), whose sum is σ = 397859472. Its totient is φ = 88413208.

The previous prime is 221032993. The next prime is 221033051. The reversal of 221033030 is 30330122.

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

It is a junction number, because it is equal to n+sod(n) for n = 221032996 and 221033014.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11051642 + ... + 11051661.

It is an arithmetic number, because the mean of its divisors is an integer number (49732434).

Almost surely, 2^221033030 is an apocalyptic number.

221033030 is a deficient number, since it is larger than the sum of its proper divisors (176826442).

221033030 is a wasteful number, since it uses less digits than its factorization.

221033030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22103310.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 221033030 is about 14867.1796249322. The cubic root of 221033030 is about 604.6244783899.

Adding to 221033030 its reverse (30330122), we get a palindrome (251363152).

The spelling of 221033030 in words is "two hundred twenty-one million, thirty-three thousand, thirty".