23122202445 has 12 divisors (see below), whose sum is σ = 40078484316. Its totient is φ = 12331841280.

The previous prime is 23122202443. The next prime is 23122202491. The reversal of 23122202445 is 54420222132.

23122202445 is a `hidden beast` number, since 2 + 3 + 12 + 2 + 202 + 445 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9828343044 + 13293859401 = 99138^2 + 115299^2 .

It is not a de Polignac number, because 23122202445 - 2¹ = 23122202443 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23122202443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256913316 + ... + 256913405.

It is an arithmetic number, because the mean of its divisors is an integer number (3339873693).

Almost surely, 2^23122202445 is an apocalyptic number.

It is an amenable number.

23122202445 is a deficient number, since it is larger than the sum of its proper divisors (16956281871).

23122202445 is a wasteful number, since it uses less digits than its factorization.

23122202445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513826732 (or 513826729 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 23122202445 its reverse (54420222132), we get a palindrome (77542424577).

The spelling of 23122202445 in words is "twenty-three billion, one hundred twenty-two million, two hundred two thousand, four hundred forty-five".