2302223322221 has 4 divisors (see below), whose sum is σ = 2311395526944. Its totient is φ = 2293051117500.

The previous prime is 2302223322211. The next prime is 2302223322251. The reversal of 2302223322221 is 1222233222032.

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 a de Polignac number, because none of the positive numbers 2^k-2302223322221 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 (2302223322211) 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, 4586101985 + ... + 4586102486.

It is an arithmetic number, because the mean of its divisors is an integer number (577848881736).

Almost surely, 2^{2302223322221} is an apocalyptic number.

It is an amenable number.

2302223322221 is a deficient number, since it is larger than the sum of its proper divisors (9172204723).

2302223322221 is an equidigital number, since it uses as much as digits as its factorization.

2302223322221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9172204722.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 2302223322221 its reverse (1222233222032), we get a palindrome (3524456544253).

The spelling of 2302223322221 in words is "two trillion, three hundred two billion, two hundred twenty-three million, three hundred twenty-two thousand, two hundred twenty-one".