223833261 has 4 divisors (see below), whose sum is σ = 298444352. Its totient is φ = 149222172.

The previous prime is 223833241. The next prime is 223833287. The reversal of 223833261 is 162338322.

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 not a de Polignac number, because 223833261 - 2⁷ = 223833133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223833241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37305541 + ... + 37305546.

It is an arithmetic number, because the mean of its divisors is an integer number (74611088).

Almost surely, 2^223833261 is an apocalyptic number.

It is an amenable number.

223833261 is a deficient number, since it is larger than the sum of its proper divisors (74611091).

223833261 is an equidigital number, since it uses as much as digits as its factorization.

223833261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74611090.

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

The square root of 223833261 is about 14961.0581510801. The cubic root of 223833261 is about 607.1670671460.

The spelling of 223833261 in words is "two hundred twenty-three million, eight hundred thirty-three thousand, two hundred sixty-one".