22222340345 has 8 divisors (see below), whose sum is σ = 26757823176. Its totient is φ = 17717195776.

The previous prime is 22222340317. The next prime is 22222340369. The reversal of 22222340345 is 54304322222.

It can be written as a sum of positive squares in 4 ways, for example, as 6110861584 + 16111478761 = 78172^2 + 126931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22222340345 - 2⁶ = 22222340281 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7582952 + ... + 7585881.

It is an arithmetic number, because the mean of its divisors is an integer number (3344727897).

Almost surely, 2^22222340345 is an apocalyptic number.

It is an amenable number.

22222340345 is a deficient number, since it is larger than the sum of its proper divisors (4535482831).

22222340345 is a wasteful number, since it uses less digits than its factorization.

22222340345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15169131.

The product of its (nonzero) digits is 23040, while the sum is 29.

Adding to 22222340345 its reverse (54304322222), we get a palindrome (76526662567).

The spelling of 22222340345 in words is "twenty-two billion, two hundred twenty-two million, three hundred forty thousand, three hundred forty-five".