22042343245 has 8 divisors (see below), whose sum is σ = 28485489816. Its totient is φ = 16277422656.

The previous prime is 22042343221. The next prime is 22042343303. The reversal of 22042343245 is 54234324022.

It can be written as a sum of positive squares in 4 ways, for example, as 1826622121 + 20215721124 = 42739^2 + 142182^2 .

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 22042343245 - 2⁹ = 22042342733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 169556422 + ... + 169556551.

It is an arithmetic number, because the mean of its divisors is an integer number (3560686227).

Almost surely, 2^22042343245 is an apocalyptic number.

It is an amenable number.

22042343245 is a deficient number, since it is larger than the sum of its proper divisors (6443146571).

22042343245 is a wasteful number, since it uses less digits than its factorization.

22042343245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339112991.

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

Adding to 22042343245 its reverse (54234324022), we get a palindrome (76276667267).

The spelling of 22042343245 in words is "twenty-two billion, forty-two million, three hundred forty-three thousand, two hundred forty-five".