1322222232221 has 4 divisors (see below), whose sum is σ = 1442424253344. Its totient is φ = 1202020211100.

The previous prime is 1322222232203. The next prime is 1322222232283. The reversal of 1322222232221 is 1222322222231.

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 1322222232221 - 2⁶ = 1322222232157 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 (1322222232421) 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, 60101010545 + ... + 60101010566.

It is an arithmetic number, because the mean of its divisors is an integer number (360606063336).

Almost surely, 2^{1322222232221} is an apocalyptic number.

1322222232221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1322222232221 is a deficient number, since it is larger than the sum of its proper divisors (120202021123).

1322222232221 is a wasteful number, since it uses less digits than its factorization.

1322222232221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120202021122.

The product of its digits is 4608, while the sum is 26.

Adding to 1322222232221 its reverse (1222322222231), we get a palindrome (2544544454452).

The spelling of 1322222232221 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-two million, two hundred thirty-two thousand, two hundred twenty-one".