223033131221 has 8 divisors (see below), whose sum is σ = 223358154240. Its totient is φ = 222708322512.

The previous prime is 223033131199. The next prime is 223033131227. The reversal of 223033131221 is 122131330322.

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 223033131221 - 2²² = 223028936917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223033131227) 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, 2091431 + ... + 2195483.

It is an arithmetic number, because the mean of its divisors is an integer number (27919769280).

Almost surely, 2^223033131221 is an apocalyptic number.

It is an amenable number.

223033131221 is a deficient number, since it is larger than the sum of its proper divisors (325023019).

223033131221 is a wasteful number, since it uses less digits than its factorization.

223033131221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107155.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 223033131221 its reverse (122131330322), we get a palindrome (345164461543).

The spelling of 223033131221 in words is "two hundred twenty-three billion, thirty-three million, one hundred thirty-one thousand, two hundred twenty-one".