223273155 has 96 divisors (see below), whose sum is σ = 446777856. Its totient is φ = 94596096.

The previous prime is 223273139. The next prime is 223273177. The reversal of 223273155 is 551372322.

It is a happy number.

223273155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223273155 - 2⁴ = 223273139 is a prime.

It is a super-3 number, since 3×223273155³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1336882 + ... + 1337048.

It is an arithmetic number, because the mean of its divisors is an integer number (4653936).

Almost surely, 2^223273155 is an apocalyptic number.

223273155 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

223273155 is a wasteful number, since it uses less digits than its factorization.

223273155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 306 counting only the distinct ones).

The product of its digits is 12600, while the sum is 30.

The square root of 223273155 is about 14942.3276299243. The cubic root of 223273155 is about 606.6601988134.

The spelling of 223273155 in words is "two hundred twenty-three million, two hundred seventy-three thousand, one hundred fifty-five".