2223220231321 has 4 divisors (see below), whose sum is σ = 2223398286592. Its totient is φ = 2223042176052.

The previous prime is 2223220231307. The next prime is 2223220231327. The reversal of 2223220231321 is 1231320223222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2223220231321 - 2³³ = 2214630296729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223220231327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89008905 + ... + 89033878.

It is an arithmetic number, because the mean of its divisors is an integer number (555849571648).

Almost surely, 2^{2223220231321} is an apocalyptic number.

It is an amenable number.

2223220231321 is a deficient number, since it is larger than the sum of its proper divisors (178055271).

2223220231321 is a wasteful number, since it uses less digits than its factorization.

2223220231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178055270.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 2223220231321 its reverse (1231320223222), we get a palindrome (3454540454543).

The spelling of 2223220231321 in words is "two trillion, two hundred twenty-three billion, two hundred twenty million, two hundred thirty-one thousand, three hundred twenty-one".