1223284 has 6 divisors (see below), whose sum is σ = 2140754. Its totient is φ = 611640.

The previous prime is 1223281. The next prime is 1223309. The reversal of 1223284 is 4823221.

It can be written as a sum of positive squares in only one way, i.e., 675684 + 547600 = 822^2 + 740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152907 + ... + 152914.

2^1223284 is an apocalyptic number.

It is an amenable number.

1223284 is a deficient number, since it is larger than the sum of its proper divisors (917470).

1223284 is a wasteful number, since it uses less digits than its factorization.

1223284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305825 (or 305823 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1223284 is about 1106.0216996063. The cubic root of 1223284 is about 106.9487628448.

The spelling of 1223284 in words is "one million, two hundred twenty-three thousand, two hundred eighty-four".