223263381 has 16 divisors (see below), whose sum is σ = 325122048. Its totient is φ = 135154800.

The previous prime is 223263377. The next prime is 223263407. The reversal of 223263381 is 183362322.

It is not a de Polignac number, because 223263381 - 2² = 223263377 is a prime.

It is a super-3 number, since 3×223263381³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223263361) 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, 29290 + ... + 36116.

It is an arithmetic number, because the mean of its divisors is an integer number (20320128).

Almost surely, 2^223263381 is an apocalyptic number.

It is an amenable number.

223263381 is a deficient number, since it is larger than the sum of its proper divisors (101858667).

223263381 is a wasteful number, since it uses less digits than its factorization.

223263381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7832.

The product of its digits is 10368, while the sum is 30.

The square root of 223263381 is about 14942.0005688663. Note that the first 3 decimals coincide. The cubic root of 223263381 is about 606.6513463037.

The spelling of 223263381 in words is "two hundred twenty-three million, two hundred sixty-three thousand, three hundred eighty-one".