223221603255 has 16 divisors (see below), whose sum is σ = 408176646144. Its totient is φ = 102044161440.

The previous prime is 223221603223. The next prime is 223221603259. The reversal of 223221603255 is 552306122322.

It is not a de Polignac number, because 223221603255 - 2⁵ = 223221603223 is a prime.

It is a super-3 number, since 3×223221603255³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223221603259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1062959911 + ... + 1062960120.

It is an arithmetic number, because the mean of its divisors is an integer number (25511040384).

Almost surely, 2^223221603255 is an apocalyptic number.

223221603255 is a deficient number, since it is larger than the sum of its proper divisors (184955042889).

223221603255 is a wasteful number, since it uses less digits than its factorization.

223221603255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125920046.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 223221603255 its reverse (552306122322), we get a palindrome (775527725577).

The spelling of 223221603255 in words is "two hundred twenty-three billion, two hundred twenty-one million, six hundred three thousand, two hundred fifty-five".