223280111 has 4 divisors (see below), whose sum is σ = 223329000. Its totient is φ = 223231224.

The previous prime is 223280093. The next prime is 223280117. The reversal of 223280111 is 111082322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223280111 - 2²⁶ = 156171247 is a prime.

It is a super-3 number, since 3×223280111³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223280117) 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, 16796 + ... + 26993.

It is an arithmetic number, because the mean of its divisors is an integer number (55832250).

Almost surely, 2^223280111 is an apocalyptic number.

223280111 is a deficient number, since it is larger than the sum of its proper divisors (48889).

223280111 is an equidigital number, since it uses as much as digits as its factorization.

223280111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48888.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 223280111 is about 14942.5603897056. The cubic root of 223280111 is about 606.6664988460. Note that the first 3 decimals are identical.

The spelling of 223280111 in words is "two hundred twenty-three million, two hundred eighty thousand, one hundred eleven".