228166344 has 96 divisors (see below), whose sum is σ = 720720000. Its totient is φ = 65183328.

The previous prime is 228166339. The next prime is 228166357. The reversal of 228166344 is 443661822.

228166344 is a `hidden beast` number, since 2 + 2 + 8 + 16 + 634 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 228166299 and 228166308.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 20077 + ... + 29315.

It is an arithmetic number, because the mean of its divisors is an integer number (7507500).

Almost surely, 2^228166344 is an apocalyptic number.

228166344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228166344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360360000).

228166344 is an abundant number, since it is smaller than the sum of its proper divisors (492553656).

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

228166344 is a wasteful number, since it uses less digits than its factorization.

228166344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9272 (or 9251 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 228166344 is about 15105.1760665012. The cubic root of 228166344 is about 611.0600076960.

The spelling of 228166344 in words is "two hundred twenty-eight million, one hundred sixty-six thousand, three hundred forty-four".