1322002232221 has 4 divisors (see below), whose sum is σ = 1442184253344. Its totient is φ = 1201820211100.

The previous prime is 1322002232147. The next prime is 1322002232233. The reversal of 1322002232221 is 1222322002231.

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 1322002232221 - 2⁹ = 1322002231709 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1322002232192 and 1322002232201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322002232821) 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, 60091010545 + ... + 60091010566.

It is an arithmetic number, because the mean of its divisors is an integer number (360546063336).

Almost surely, 2^{1322002232221} is an apocalyptic number.

1322002232221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1322002232221 is a deficient number, since it is larger than the sum of its proper divisors (120182021123).

1322002232221 is a wasteful number, since it uses less digits than its factorization.

1322002232221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120182021122.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 1322002232221 its reverse (1222322002231), we get a palindrome (2544324234452).

The spelling of 1322002232221 in words is "one trillion, three hundred twenty-two billion, two million, two hundred thirty-two thousand, two hundred twenty-one".