1322223013221 has 16 divisors (see below), whose sum is σ = 1923254414400. Its totient is φ = 801338555520.

The previous prime is 1322223013171. The next prime is 1322223013249. The reversal of 1322223013221 is 1223103222231.

It is not a de Polignac number, because 1322223013221 - 2¹⁰ = 1322223012197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1322223013191 and 1322223013200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322223013121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4185411 + ... + 4490223.

It is an arithmetic number, because the mean of its divisors is an integer number (120203400900).

Almost surely, 2^{1322223013221} is an apocalyptic number.

1322223013221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1322223013221 is a deficient number, since it is larger than the sum of its proper divisors (601031401179).

1322223013221 is a wasteful number, since it uses less digits than its factorization.

1322223013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436276.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1322223013221 its reverse (1223103222231), we get a palindrome (2545326235452).

The spelling of 1322223013221 in words is "one trillion, three hundred twenty-two billion, two hundred twenty-three million, thirteen thousand, two hundred twenty-one".