223997201 has 4 divisors (see below), whose sum is σ = 224253492. Its totient is φ = 223740912.

The previous prime is 223997173. The next prime is 223997231. The reversal of 223997201 is 102799322.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102799322 = 2 ⋅51399661.

It can be written as a sum of positive squares in 2 ways, for example, as 159997201 + 64000000 = 12649^2 + 8000^2 .

It is a cyclic number.

It is not a de Polignac number, because 223997201 - 2¹⁰ = 223996177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223997231) 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, 126830 + ... + 128583.

It is an arithmetic number, because the mean of its divisors is an integer number (56063373).

Almost surely, 2^223997201 is an apocalyptic number.

It is an amenable number.

223997201 is a deficient number, since it is larger than the sum of its proper divisors (256291).

223997201 is an equidigital number, since it uses as much as digits as its factorization.

223997201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256290.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 223997201 is about 14966.5360387766. The cubic root of 223997201 is about 607.3152647775.

The spelling of 223997201 in words is "two hundred twenty-three million, nine hundred ninety-seven thousand, two hundred one".