223335641 has 4 divisors (see below), whose sum is σ = 231036900. Its totient is φ = 215634384.

The previous prime is 223335611. The next prime is 223335661. The reversal of 223335641 is 146533322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 57441241 + 165894400 = 7579^2 + 12880^2 .

It is a cyclic number.

It is not a de Polignac number, because 223335641 - 2⁶ = 223335577 is a prime.

It is a super-3 number, since 3×223335641³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 7701229 = 223335641 / (2 + 2 + 3 + 3 + 3 + 5 + 6 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223335611) 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, 3850586 + ... + 3850643.

It is an arithmetic number, because the mean of its divisors is an integer number (57759225).

Almost surely, 2^223335641 is an apocalyptic number.

It is an amenable number.

223335641 is a deficient number, since it is larger than the sum of its proper divisors (7701259).

223335641 is an equidigital number, since it uses as much as digits as its factorization.

223335641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7701258.

The product of its digits is 12960, while the sum is 29.

The square root of 223335641 is about 14944.4183894858. The cubic root of 223335641 is about 606.7167875442.

Adding to 223335641 its reverse (146533322), we get a palindrome (369868963).

The spelling of 223335641 in words is "two hundred twenty-three million, three hundred thirty-five thousand, six hundred forty-one".