844037228 has 48 divisors (see below), whose sum is σ = 1623132000. Its totient is φ = 382491648.

The previous prime is 844037203. The next prime is 844037261. The reversal of 844037228 is 822730448.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 844037191 and 844037200.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 247358 + ... + 250746.

It is an arithmetic number, because the mean of its divisors is an integer number (33815250).

Almost surely, 2^844037228 is an apocalyptic number.

It is an amenable number.

844037228 is a deficient number, since it is larger than the sum of its proper divisors (779094772).

844037228 is a wasteful number, since it uses less digits than its factorization.

844037228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554 (or 3552 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 844037228 is about 29052.3188059060. The cubic root of 844037228 is about 945.0480003240.

The spelling of 844037228 in words is "eight hundred forty-four million, thirty-seven thousand, two hundred twenty-eight".