1227844 has 12 divisors (see below), whose sum is σ = 2173500. Its totient is φ = 606848.

The previous prime is 1227841. The next prime is 1227847. The reversal of 1227844 is 4487221.

It is an interprime number because it is at equal distance from previous prime (1227841) and next prime (1227847).

It can be written as a sum of positive squares in 2 ways, for example, as 82944 + 1144900 = 288^2 + 1070^2 .

It is not an unprimeable number, because it can be changed into a prime (1227841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1369 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (181125).

2^1227844 is an apocalyptic number.

It is an amenable number.

1227844 is a deficient number, since it is larger than the sum of its proper divisors (945656).

1227844 is a wasteful number, since it uses less digits than its factorization.

1227844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3542 (or 3540 counting only the distinct ones).

The product of its digits is 3584, while the sum is 28.

The square root of 1227844 is about 1108.0812244597. The cubic root of 1227844 is about 107.0814879880.

The spelling of 1227844 in words is "one million, two hundred twenty-seven thousand, eight hundred forty-four".