220550233 has 4 divisors (see below), whose sum is σ = 232158160. Its totient is φ = 208942308.

The previous prime is 220550227. The next prime is 220550251. The reversal of 220550233 is 332055022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220550233 - 2¹³ = 220542041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220550263) 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 in 3 ways as a sum of consecutive naturals, for example, 5803935 + ... + 5803972.

It is an arithmetic number, because the mean of its divisors is an integer number (58039540).

Almost surely, 2^220550233 is an apocalyptic number.

It is an amenable number.

220550233 is a deficient number, since it is larger than the sum of its proper divisors (11607927).

220550233 is a wasteful number, since it uses less digits than its factorization.

220550233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11607926.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 220550233 is about 14850.9337416878. The cubic root of 220550233 is about 604.1839353627.

The spelling of 220550233 in words is "two hundred twenty million, five hundred fifty thousand, two hundred thirty-three".