2223131321 has 8 divisors (see below), whose sum is σ = 2236800000. Its totient is φ = 2209484160.

The previous prime is 2223131291. The next prime is 2223131341. The reversal of 2223131321 is 1231313222.

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 2223131321 - 2⁶ = 2223131257 is a prime.

It is a super-2 number, since 2×2223131321² = 9884625740822410082, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2223131293 and 2223131302.

It is not an unprimeable number, because it can be changed into a prime (2223131341) 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, 233900 + ... + 243218.

It is an arithmetic number, because the mean of its divisors is an integer number (279600000).

Almost surely, 2^2223131321 is an apocalyptic number.

It is an amenable number.

2223131321 is a deficient number, since it is larger than the sum of its proper divisors (13668679).

2223131321 is a wasteful number, since it uses less digits than its factorization.

2223131321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10759.

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

The square root of 2223131321 is about 47150.0935417948. The cubic root of 2223131321 is about 1305.1338061984.

Adding to 2223131321 its reverse (1231313222), we get a palindrome (3454444543).

The spelling of 2223131321 in words is "two billion, two hundred twenty-three million, one hundred thirty-one thousand, three hundred twenty-one".