22135221351343 has 4 divisors (see below), whose sum is σ = 22135559137488. Its totient is φ = 22134883565200.

The previous prime is 22135221351319. The next prime is 22135221351359. The reversal of 22135221351343 is 34315312253122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22135221351343 - 2²¹ = 22135219254191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135221355343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168794758 + ... + 168925843.

It is an arithmetic number, because the mean of its divisors is an integer number (5533889784372).

Almost surely, 2^{22135221351343} is an apocalyptic number.

22135221351343 is a deficient number, since it is larger than the sum of its proper divisors (337786145).

22135221351343 is an equidigital number, since it uses as much as digits as its factorization.

22135221351343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337786144.

The product of its digits is 129600, while the sum is 37.

It can be divided in two parts, 22135221 and 351343, that added together give a square (22486564 = 4742²).

The spelling of 22135221351343 in words is "twenty-two trillion, one hundred thirty-five billion, two hundred twenty-one million, three hundred fifty-one thousand, three hundred forty-three".