28229176 has 8 divisors (see below), whose sum is σ = 52929720. Its totient is φ = 14114584.

The previous prime is 28229171. The next prime is 28229183. The reversal of 28229176 is 67192282.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28229171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1764316 + ... + 1764331.

It is an arithmetic number, because the mean of its divisors is an integer number (6616215).

Almost surely, 2^28229176 is an apocalyptic number.

It is an amenable number.

28229176 is a deficient number, since it is larger than the sum of its proper divisors (24700544).

28229176 is a wasteful number, since it uses less digits than its factorization.

28229176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528653 (or 3528649 counting only the distinct ones).

The product of its digits is 24192, while the sum is 37.

The square root of 28229176 is about 5313.1135880950. The cubic root of 28229176 is about 304.4851153429.

The spelling of 28229176 in words is "twenty-eight million, two hundred twenty-nine thousand, one hundred seventy-six".