223002221 has 16 divisors (see below), whose sum is σ = 254822400. Its totient is φ = 193451328.

The previous prime is 223002193. The next prime is 223002233. The reversal of 223002221 is 122200322.

It is a cyclic number.

It is not a de Polignac number, because 223002221 - 2¹⁴ = 222985837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223002196 and 223002205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223001221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27815 + ... + 34923.

It is an arithmetic number, because the mean of its divisors is an integer number (15926400).

Almost surely, 2^223002221 is an apocalyptic number.

It is an amenable number.

223002221 is a deficient number, since it is larger than the sum of its proper divisors (31820179).

223002221 is a wasteful number, since it uses less digits than its factorization.

223002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7268.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 223002221 is about 14933.2588874632. The cubic root of 223002221 is about 606.4147126617.

Adding to 223002221 its reverse (122200322), we get a palindrome (345202543).

The spelling of 223002221 in words is "two hundred twenty-three million, two thousand, two hundred twenty-one".