1773228 has 12 divisors (see below), whose sum is σ = 4137560. Its totient is φ = 591072.

The previous prime is 1773227. The next prime is 1773229. The reversal of 1773228 is 8223771.

It is an interprime number because it is at equal distance from previous prime (1773227) and next prime (1773229).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1773195 and 1773204.

It is not an unprimeable number, because it can be changed into a prime (1773227) 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 3 ways as a sum of consecutive naturals, for example, 73873 + ... + 73896.

2^1773228 is an apocalyptic number.

It is an amenable number.

1773228 is an abundant number, since it is smaller than the sum of its proper divisors (2364332).

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

1773228 is a wasteful number, since it uses less digits than its factorization.

1773228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147776 (or 147774 counting only the distinct ones).

The product of its digits is 4704, while the sum is 30.

The square root of 1773228 is about 1331.6260736408. The cubic root of 1773228 is about 121.0379408830.

Adding to 1773228 its reverse (8223771), we get a palindrome (9996999).

The spelling of 1773228 in words is "one million, seven hundred seventy-three thousand, two hundred twenty-eight".