22945568445 has 12 divisors (see below), whose sum is σ = 39772318716. Its totient is φ = 12237636480.

The previous prime is 22945568431. The next prime is 22945568449. The reversal of 22945568445 is 54486554922.

22945568445 is a `hidden beast` number, since 2 + 2 + 9 + 4 + 556 + 84 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5843990916 + 17101577529 = 76446^2 + 130773^2 .

It is not a de Polignac number, because 22945568445 - 2⁶ = 22945568381 is a prime.

It is a super-2 number, since 2×22945568445² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22945568391 and 22945568400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22945568449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254950716 + ... + 254950805.

It is an arithmetic number, because the mean of its divisors is an integer number (3314359893).

Almost surely, 2^22945568445 is an apocalyptic number.

It is an amenable number.

22945568445 is a deficient number, since it is larger than the sum of its proper divisors (16826750271).

22945568445 is a wasteful number, since it uses less digits than its factorization.

22945568445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509901532 (or 509901529 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 54.

The spelling of 22945568445 in words is "twenty-two billion, nine hundred forty-five million, five hundred sixty-eight thousand, four hundred forty-five".