1226828 has 6 divisors (see below), whose sum is σ = 2146956. Its totient is φ = 613412.

The previous prime is 1226821. The next prime is 1226831. The reversal of 1226828 is 8286221.

It is a self number, because there is not a number n which added to its sum of digits gives 1226828.

It is not an unprimeable number, because it can be changed into a prime (1226821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153350 + ... + 153357.

It is an arithmetic number, because the mean of its divisors is an integer number (357826).

2^1226828 is an apocalyptic number.

It is an amenable number.

1226828 is a deficient number, since it is larger than the sum of its proper divisors (920128).

1226828 is a wasteful number, since it uses less digits than its factorization.

1226828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306711 (or 306709 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 1226828 is about 1107.6226794356. The cubic root of 1226828 is about 107.0519443833.

The spelling of 1226828 in words is "one million, two hundred twenty-six thousand, eight hundred twenty-eight".