223221001 has 8 divisors (see below), whose sum is σ = 232274304. Its totient is φ = 214347120.

The previous prime is 223220983. The next prime is 223221017. The reversal of 223221001 is 100122322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 223221001 - 2⁵ = 223220969 is a prime.

It is a super-3 number, since 3×223221001³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223221071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42315 + ... + 47296.

It is an arithmetic number, because the mean of its divisors is an integer number (29034288).

Almost surely, 2^223221001 is an apocalyptic number.

It is an amenable number.

223221001 is a deficient number, since it is larger than the sum of its proper divisors (9053303).

223221001 is an equidigital number, since it uses as much as digits as its factorization.

223221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89711.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 223221001 is about 14940.5823514346. The cubic root of 223221001 is about 606.6129588905.

Adding to 223221001 its reverse (100122322), we get a palindrome (323343323).

It can be divided in two parts, 22322 and 1001, that multiplied together give a palindrome (22344322).

The spelling of 223221001 in words is "two hundred twenty-three million, two hundred twenty-one thousand, one".