223440241 has 4 divisors (see below), whose sum is σ = 224235684. Its totient is φ = 222644800.

The previous prime is 223440229. The next prime is 223440253. The reversal of 223440241 is 142044322.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (223440229) and next prime (223440253).

It can be written as a sum of positive squares in 2 ways, for example, as 166513216 + 56927025 = 12904^2 + 7545^2 .

It is a cyclic number.

It is not a de Polignac number, because 223440241 - 2¹⁷ = 223309169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223440271) 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, 397300 + ... + 397861.

It is an arithmetic number, because the mean of its divisors is an integer number (56058921).

Almost surely, 2^223440241 is an apocalyptic number.

It is an amenable number.

223440241 is a deficient number, since it is larger than the sum of its proper divisors (795443).

223440241 is an equidigital number, since it uses as much as digits as its factorization.

223440241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795442.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 223440241 is about 14947.9176141695. The cubic root of 223440241 is about 606.8114920446.

Adding to 223440241 its reverse (142044322), we get a palindrome (365484563).

The spelling of 223440241 in words is "two hundred twenty-three million, four hundred forty thousand, two hundred forty-one".