22031743345 has 4 divisors (see below), whose sum is σ = 26438092020. Its totient is φ = 17625394672.

The previous prime is 22031743297. The next prime is 22031743367. The reversal of 22031743345 is 54334713022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5494812129 + 16536931216 = 74127^2 + 128596^2 .

It is a cyclic number.

It is not a de Polignac number, because 22031743345 - 2¹¹ = 22031741297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22031743345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203174330 + ... + 2203174339.

It is an arithmetic number, because the mean of its divisors is an integer number (6609523005).

Almost surely, 2^22031743345 is an apocalyptic number.

It is an amenable number.

22031743345 is a deficient number, since it is larger than the sum of its proper divisors (4406348675).

22031743345 is an equidigital number, since it uses as much as digits as its factorization.

22031743345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406348674.

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 22031743345 in words is "twenty-two billion, thirty-one million, seven hundred forty-three thousand, three hundred forty-five".