22231002133321 has 12 divisors (see below), whose sum is σ = 23463996223044. Its totient is φ = 21059728941600.

The previous prime is 22231002133271. The next prime is 22231002133339. The reversal of 22231002133321 is 12333120013222.

It can be written as a sum of positive squares in 2 ways, for example, as 13522241107600 + 8708761025721 = 3677260^2 + 2951061^2 .

It is not a de Polignac number, because 22231002133321 - 2⁹ = 22231002132809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22231002133121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4484491 + ... + 8035711.

It is an arithmetic number, because the mean of its divisors is an integer number (1955333018587).

Almost surely, 2^{22231002133321} is an apocalyptic number.

It is an amenable number.

22231002133321 is a deficient number, since it is larger than the sum of its proper divisors (1232994089723).

22231002133321 is a wasteful number, since it uses less digits than its factorization.

22231002133321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3568600 (or 3568581 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 22231002133321 its reverse (12333120013222), we get a palindrome (34564122146543).

The spelling of 22231002133321 in words is "twenty-two trillion, two hundred thirty-one billion, two million, one hundred thirty-three thousand, three hundred twenty-one".