22245121343 has 4 divisors (see below), whose sum is σ = 22246850880. Its totient is φ = 22243391808.

The previous prime is 22245121319. The next prime is 22245121357. The reversal of 22245121343 is 34312154222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34312154222 = 2 ⋅17156077111.

It is a cyclic number.

It is not a de Polignac number, because 22245121343 - 2⁶ = 22245121279 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 (22245121303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845330 + ... + 871247.

It is an arithmetic number, because the mean of its divisors is an integer number (5561712720).

Almost surely, 2^22245121343 is an apocalyptic number.

22245121343 is a deficient number, since it is larger than the sum of its proper divisors (1729537).

22245121343 is a wasteful number, since it uses less digits than its factorization.

22245121343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729536.

The product of its digits is 11520, while the sum is 29.

Adding to 22245121343 its reverse (34312154222), we get a palindrome (56557275565).

The spelling of 22245121343 in words is "twenty-two billion, two hundred forty-five million, one hundred twenty-one thousand, three hundred forty-three".