1774228 has 12 divisors (see below), whose sum is σ = 3163860. Its totient is φ = 870272.

The previous prime is 1774217. The next prime is 1774247. The reversal of 1774228 is 8224771.

It can be written as a sum of positive squares in 2 ways, for example, as 1281424 + 492804 = 1132^2 + 702^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1774228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3973 + ... + 4396.

It is an arithmetic number, because the mean of its divisors is an integer number (263655).

2^1774228 is an apocalyptic number.

It is an amenable number.

1774228 is a deficient number, since it is larger than the sum of its proper divisors (1389632).

1774228 is a wasteful number, since it uses less digits than its factorization.

1774228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8426 (or 8424 counting only the distinct ones).

The product of its digits is 6272, while the sum is 31.

The square root of 1774228 is about 1332.0015015007. The cubic root of 1774228 is about 121.0606894513.

Adding to 1774228 its reverse (8224771), we get a palindrome (9998999).

It can be divided in two parts, 1774 and 228, that added together give a palindrome (2002).

The spelling of 1774228 in words is "one million, seven hundred seventy-four thousand, two hundred twenty-eight".