223440201 has 36 divisors (see below), whose sum is σ = 343690256. Its totient is φ = 145061280.

The previous prime is 223440187. The next prime is 223440223. The reversal of 223440201 is 102044322.

223440201 is a `hidden beast` number, since 2 + 23 + 440 + 201 = 666.

223440201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223440201 - 2²³ = 215051593 is a prime.

It is a Duffinian number.

It is a Curzon 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 35 ways as a sum of consecutive naturals, for example, 408210 + ... + 408756.

Almost surely, 2^223440201 is an apocalyptic number.

It is an amenable number.

223440201 is a deficient number, since it is larger than the sum of its proper divisors (120250055).

223440201 is an frugal number, since it uses more digits than its factorization.

223440201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 591 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 223440201 is about 14947.9162761905. The cubic root of 223440201 is about 606.8114558344.

Adding to 223440201 its reverse (102044322), we get a palindrome (325484523).

The spelling of 223440201 in words is "two hundred twenty-three million, four hundred forty thousand, two hundred one".