22202144134321 has 2 divisors, whose sum is σ = 22202144134322. Its totient is φ = 22202144134320.

The previous prime is 22202144134319. The next prime is 22202144134337. The reversal of 22202144134321 is 12343144120222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16293622879296 + 5908521255025 = 4036536^2 + 2430745^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202144134321 - 2¹ = 22202144134319 is a prime.

It is a super-2 number, since 2×22202144134321² (a number of 27 digits) contains 22 as substring.

Together with 22202144134319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22202144134021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101072067160 + 11101072067161.

It is an arithmetic number, because the mean of its divisors is an integer number (11101072067161).

Almost surely, 2^{22202144134321} is an apocalyptic number.

It is an amenable number.

22202144134321 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202144134321 is an equidigital number, since it uses as much as digits as its factorization.

22202144134321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 22202144134321 its reverse (12343144120222), we get a palindrome (34545288254543).

The spelling of 22202144134321 in words is "twenty-two trillion, two hundred two billion, one hundred forty-four million, one hundred thirty-four thousand, three hundred twenty-one".