22443402343 has 4 divisors (see below), whose sum is σ = 22476554280. Its totient is φ = 22410250408.

The previous prime is 22443402287. The next prime is 22443402361. The reversal of 22443402343 is 34320434422.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22443402343 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 (22443402643) 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, 16574953 + ... + 16576306.

It is an arithmetic number, because the mean of its divisors is an integer number (5619138570).

Almost surely, 2^22443402343 is an apocalyptic number.

22443402343 is a deficient number, since it is larger than the sum of its proper divisors (33151937).

22443402343 is an equidigital number, since it uses as much as digits as its factorization.

22443402343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33151936.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 22443402343 its reverse (34320434422), we get a palindrome (56763836765).

The spelling of 22443402343 in words is "twenty-two billion, four hundred forty-three million, four hundred two thousand, three hundred forty-three".