1228332 has 36 divisors (see below), whose sum is σ = 3335640. Its totient is φ = 350784.

The previous prime is 1228327. The next prime is 1228333. The reversal of 1228332 is 2338221.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1228299 and 1228308.

It is not an unprimeable number, because it can be changed into a prime (1228333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 457 + ... + 1632.

2^1228332 is an apocalyptic number.

1228332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1228332 is an abundant number, since it is smaller than the sum of its proper divisors (2107308).

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

1228332 is a wasteful number, since it uses less digits than its factorization.

1228332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110 (or 2101 counting only the distinct ones).

The product of its digits is 576, while the sum is 21.

The square root of 1228332 is about 1108.3014030488. The cubic root of 1228332 is about 107.0956724297.

The spelling of 1228332 in words is "one million, two hundred twenty-eight thousand, three hundred thirty-two".