1228808 has 16 divisors (see below), whose sum is σ = 2633280. Its totient is φ = 526608.

The previous prime is 1228789. The next prime is 1228837. The reversal of 1228808 is 8088221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10916 + ... + 11027.

It is an arithmetic number, because the mean of its divisors is an integer number (164580).

2^1228808 is an apocalyptic number.

It is an amenable number.

1228808 is an abundant number, since it is smaller than the sum of its proper divisors (1404472).

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

1228808 is a wasteful number, since it uses less digits than its factorization.

1228808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21956 (or 21952 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 29.

The square root of 1228808 is about 1108.5161252774. The cubic root of 1228808 is about 107.1095044546.

It can be divided in two parts, 12 and 28808, that multiplied together give a triangular number (345696 = T₈₃₁).

The spelling of 1228808 in words is "one million, two hundred twenty-eight thousand, eight hundred eight".