22321135453 has 2 divisors, whose sum is σ = 22321135454. Its totient is φ = 22321135452.

The previous prime is 22321135393. The next prime is 22321135471. The reversal of 22321135453 is 35453112322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11261878884 + 11059256569 = 106122^2 + 105163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22321135453 is a prime.

It is a super-3 number, since 3×22321135453³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22321130453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11160567726 + 11160567727.

It is an arithmetic number, because the mean of its divisors is an integer number (11160567727).

Almost surely, 2^22321135453 is an apocalyptic number.

It is an amenable number.

22321135453 is a deficient number, since it is larger than the sum of its proper divisors (1).

22321135453 is an equidigital number, since it uses as much as digits as its factorization.

22321135453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

Adding to 22321135453 its reverse (35453112322), we get a palindrome (57774247775).

The spelling of 22321135453 in words is "twenty-two billion, three hundred twenty-one million, one hundred thirty-five thousand, four hundred fifty-three".