220000233 has 4 divisors (see below), whose sum is σ = 293333648. Its totient is φ = 146666820.

The previous prime is 220000201. The next prime is 220000237. The reversal of 220000233 is 332000022.

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 not a de Polignac number, because 220000233 - 2⁵ = 220000201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220000237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36666703 + ... + 36666708.

It is an arithmetic number, because the mean of its divisors is an integer number (73333412).

Almost surely, 2^220000233 is an apocalyptic number.

It is an amenable number.

220000233 is a deficient number, since it is larger than the sum of its proper divisors (73333415).

220000233 is an equidigital number, since it uses as much as digits as its factorization.

220000233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73333414.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 220000233 is about 14832.4048286176. The cubic root of 220000233 is about 603.6812867974.

Adding to 220000233 its reverse (332000022), we get a palindrome (552000255).

The spelling of 220000233 in words is "two hundred twenty million, two hundred thirty-three", and thus it is an aban number.