223279 has 8 divisors (see below), whose sum is σ = 258048. Its totient is φ = 189240.

The previous prime is 223277. The next prime is 223283. The reversal of 223279 is 972322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223279 - 2¹ = 223277 is a prime.

It is a super-3 number, since 3×223279³ = 33393726811039917, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1074 + ... + 1264.

It is an arithmetic number, because the mean of its divisors is an integer number (32256).

2²²³²⁷⁹ is an apocalyptic number.

223279 is a deficient number, since it is larger than the sum of its proper divisors (34769).

223279 is a wasteful number, since it uses less digits than its factorization.

223279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365.

The product of its digits is 1512, while the sum is 25.

The square root of 223279 is about 472.5240734608. The cubic root of 223279 is about 60.6665492625. Note that the first 3 decimals are identical.

The spelling of 223279 in words is "two hundred twenty-three thousand, two hundred seventy-nine".