223220001 has 16 divisors (see below), whose sum is σ = 306266624. Its totient is φ = 144509184.

The previous prime is 223219993. The next prime is 223220003. The reversal of 223220001 is 100022322.

It is not a de Polignac number, because 223220001 - 2³ = 223219993 is a prime.

It is a super-3 number, since 3×223220001³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65721 + ... + 69033.

It is an arithmetic number, because the mean of its divisors is an integer number (19141664).

Almost surely, 2^223220001 is an apocalyptic number.

It is an amenable number.

223220001 is a deficient number, since it is larger than the sum of its proper divisors (83046623).

223220001 is a wasteful number, since it uses less digits than its factorization.

223220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 223220001 is about 14940.5488854995. The cubic root of 223220001 is about 606.6120530410.

Adding to 223220001 its reverse (100022322), we get a palindrome (323242323).

The spelling of 223220001 in words is "two hundred twenty-three million, two hundred twenty thousand, one".