220003255 has 4 divisors (see below), whose sum is σ = 264003912. Its totient is φ = 176002600.

The previous prime is 220003237. The next prime is 220003279. The reversal of 220003255 is 552300022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552300022 = 2 ⋅276150011.

It is not a de Polignac number, because 220003255 - 2⁷ = 220003127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22000321 + ... + 22000330.

It is an arithmetic number, because the mean of its divisors is an integer number (66000978).

Almost surely, 2^220003255 is an apocalyptic number.

220003255 is a deficient number, since it is larger than the sum of its proper divisors (44000657).

220003255 is an equidigital number, since it uses as much as digits as its factorization.

220003255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44000656.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 220003255 is about 14832.5066998131. The cubic root of 220003255 is about 603.6840509104.

Adding to 220003255 its reverse (552300022), we get a palindrome (772303277).

The spelling of 220003255 in words is "two hundred twenty million, three thousand, two hundred fifty-five".