22075362644 has 12 divisors (see below), whose sum is σ = 39161089044. Its totient is φ = 10886480064.

The previous prime is 22075362641. The next prime is 22075362677. The reversal of 22075362644 is 44626357022.

It can be written as a sum of positive squares in 2 ways, for example, as 5841544900 + 16233817744 = 76430^2 + 127412^2 .

It is a super-2 number, since 2×22075362644² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22075362641) 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 3 ways as a sum of consecutive naturals, for example, 37799987 + ... + 37800570.

It is an arithmetic number, because the mean of its divisors is an integer number (3263424087).

Almost surely, 2^22075362644 is an apocalyptic number.

It is an amenable number.

22075362644 is a deficient number, since it is larger than the sum of its proper divisors (17085726400).

22075362644 is a wasteful number, since it uses less digits than its factorization.

22075362644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75600634 (or 75600632 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 41.

The spelling of 22075362644 in words is "twenty-two billion, seventy-five million, three hundred sixty-two thousand, six hundred forty-four".