88228845 has 20 divisors (see below), whose sum is σ = 158159100. Its totient is φ = 47055168.

The previous prime is 88228841. The next prime is 88228867. The reversal of 88228845 is 54882288.

It can be written as a sum of positive squares in 2 ways, for example, as 27060804 + 61168041 = 5202^2 + 7821^2 .

It is not a de Polignac number, because 88228845 - 2² = 88228841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 88228845.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88228841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 108520 + ... + 109329.

It is an arithmetic number, because the mean of its divisors is an integer number (7907955).

Almost surely, 2^88228845 is an apocalyptic number.

It is an amenable number.

88228845 is a deficient number, since it is larger than the sum of its proper divisors (69930255).

88228845 is a wasteful number, since it uses less digits than its factorization.

88228845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217866 (or 217857 counting only the distinct ones).

The product of its digits is 327680, while the sum is 45.

The square root of 88228845 is about 9393.0210795037. The cubic root of 88228845 is about 445.1812500731.

The spelling of 88228845 in words is "eighty-eight million, two hundred twenty-eight thousand, eight hundred forty-five".