223133001221 has 8 divisors (see below), whose sum is σ = 240786488544. Its totient is φ = 205549429680.

The previous prime is 223133001193. The next prime is 223133001227. The reversal of 223133001221 is 122100331322.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223133001221 is a prime.

It is a super-3 number, since 3×223133001221³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223133001193 and 223133001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223133001227) 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, 17472311 + ... + 17485076.

It is an arithmetic number, because the mean of its divisors is an integer number (30098311068).

Almost surely, 2^223133001221 is an apocalyptic number.

It is an amenable number.

223133001221 is a deficient number, since it is larger than the sum of its proper divisors (17653487323).

223133001221 is a wasteful number, since it uses less digits than its factorization.

223133001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34957891.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 223133001221 its reverse (122100331322), we get a palindrome (345233332543).

The spelling of 223133001221 in words is "two hundred twenty-three billion, one hundred thirty-three million, one thousand, two hundred twenty-one".