1223301332221 has 8 divisors (see below), whose sum is σ = 1239006801600. Its totient is φ = 1207639429920.

The previous prime is 1223301332191. The next prime is 1223301332257. The reversal of 1223301332221 is 1222331033221.

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-1223301332221 is a prime.

It is a super-2 number, since 2×1223301332221² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223301332321) 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, 10835251 + ... + 10947568.

It is an arithmetic number, because the mean of its divisors is an integer number (154875850200).

Almost surely, 2^{1223301332221} is an apocalyptic number.

It is an amenable number.

1223301332221 is a deficient number, since it is larger than the sum of its proper divisors (15705469379).

1223301332221 is an equidigital number, since it uses as much as digits as its factorization.

1223301332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21783539.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 1223301332221 its reverse (1222331033221), we get a palindrome (2445632365442).

Subtracting from 1223301332221 its reverse (1222331033221), we obtain a cube (970299000 = 990³).

The spelling of 1223301332221 in words is "one trillion, two hundred twenty-three billion, three hundred one million, three hundred thirty-two thousand, two hundred twenty-one".