22242322345 has 4 divisors (see below), whose sum is σ = 26690786820. Its totient is φ = 17793857872.

The previous prime is 22242322261. The next prime is 22242322367. The reversal of 22242322345 is 54322324222.

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 8900224281 + 13342098064 = 94341^2 + 115508^2 .

It is a cyclic number.

It is not a de Polignac number, because 22242322345 - 2¹⁷ = 22242191273 is a prime.

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, 2224232230 + ... + 2224232239.

It is an arithmetic number, because the mean of its divisors is an integer number (6672696705).

Almost surely, 2^22242322345 is an apocalyptic number.

It is an amenable number.

22242322345 is a deficient number, since it is larger than the sum of its proper divisors (4448464475).

22242322345 is an equidigital number, since it uses as much as digits as its factorization.

22242322345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4448464474.

The product of its digits is 46080, while the sum is 31.

Adding to 22242322345 its reverse (54322324222), we get a palindrome (76564646567).

The spelling of 22242322345 in words is "twenty-two billion, two hundred forty-two million, three hundred twenty-two thousand, three hundred forty-five".