13222213001 has 8 divisors (see below), whose sum is σ = 13476636360. Its totient is φ = 12972591216.

The previous prime is 13222212947. The next prime is 13222213009. The reversal of 13222213001 is 10031222231.

It can be written as a sum of positive squares in 4 ways, for example, as 5825352976 + 7396860025 = 76324^2 + 86005^2 .

It is not a de Polignac number, because 13222213001 - 2¹⁸ = 13221950857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13222213009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104471 + ... + 193283.

It is an arithmetic number, because the mean of its divisors is an integer number (1684579545).

Almost surely, 2^13222213001 is an apocalyptic number.

It is an amenable number.

13222213001 is a deficient number, since it is larger than the sum of its proper divisors (254423359).

13222213001 is an frugal number, since it uses more digits than its factorization.

13222213001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88972 (or 88866 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13222213001 its reverse (10031222231), we get a palindrome (23253435232).

The spelling of 13222213001 in words is "thirteen billion, two hundred twenty-two million, two hundred thirteen thousand, one".