223333381 has 4 divisors (see below), whose sum is σ = 233043552. Its totient is φ = 213623212.

The previous prime is 223333351. The next prime is 223333387. The reversal of 223333381 is 183333322.

223333381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 223333381 - 2¹¹ = 223331333 is a prime.

It is a super-2 number, since 2×223333381² = 99755598137782322, which contains 22 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 (223333387) 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, 4855051 + ... + 4855096.

It is an arithmetic number, because the mean of its divisors is an integer number (58260888).

Almost surely, 2^223333381 is an apocalyptic number.

It is an amenable number.

223333381 is a deficient number, since it is larger than the sum of its proper divisors (9710171).

223333381 is an equidigital number, since it uses as much as digits as its factorization.

223333381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9710170.

The product of its digits is 7776, while the sum is 28.

The square root of 223333381 is about 14944.3427757797. The cubic root of 223333381 is about 606.7147410212.

The spelling of 223333381 in words is "two hundred twenty-three million, three hundred thirty-three thousand, three hundred eighty-one".