22673138544 has 160 divisors (see below), whose sum is σ = 78752816640. Its totient is φ = 6096964608.

The previous prime is 22673138531. The next prime is 22673138549. The reversal of 22673138544 is 44583137622.

22673138544 is a `hidden beast` number, since 2 + 2 + 6 + 73 + 1 + 38 + 544 = 666.

It is a super-2 number, since 2×22673138544² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22673138544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22673138549) 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 31 ways as a sum of consecutive naturals, for example, 169114 + ... + 271929.

It is an arithmetic number, because the mean of its divisors is an integer number (492205104).

Almost surely, 2^22673138544 is an apocalyptic number.

22673138544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22673138544 is an abundant number, since it is smaller than the sum of its proper divisors (56079678096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22673138544 is a wasteful number, since it uses less digits than its factorization.

22673138544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441084 (or 441072 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The spelling of 22673138544 in words is "twenty-two billion, six hundred seventy-three million, one hundred thirty-eight thousand, five hundred forty-four".