221200233 has 8 divisors (see below), whose sum is σ = 295032096. Its totient is φ = 147417600.

The previous prime is 221200211. The next prime is 221200249. The reversal of 221200233 is 332002122.

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

It is not a de Polignac number, because 221200233 - 2⁶ = 221200169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221200253) 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, 88 + ... + 21033.

It is an arithmetic number, because the mean of its divisors is an integer number (36879012).

Almost surely, 2^221200233 is an apocalyptic number.

It is an amenable number.

221200233 is a deficient number, since it is larger than the sum of its proper divisors (73831863).

221200233 is a wasteful number, since it uses less digits than its factorization.

221200233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24615.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 221200233 is about 14872.8017871550. The cubic root of 221200233 is about 604.7768983637.

Adding to 221200233 its reverse (332002122), we get a palindrome (553202355).

The spelling of 221200233 in words is "two hundred twenty-one million, two hundred thousand, two hundred thirty-three".