1226824 has 8 divisors (see below), whose sum is σ = 2300310. Its totient is φ = 613408.

The previous prime is 1226821. The next prime is 1226831. The reversal of 1226824 is 4286221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 777924 + 448900 = 882^2 + 670^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1226821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76669 + ... + 76684.

2^1226824 is an apocalyptic number.

It is an amenable number.

1226824 is a deficient number, since it is larger than the sum of its proper divisors (1073486).

1226824 is a wasteful number, since it uses less digits than its factorization.

1226824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153359 (or 153355 counting only the distinct ones).

The product of its digits is 1536, while the sum is 25.

The square root of 1226824 is about 1107.6208737650. The cubic root of 1226824 is about 107.0518280376.

The spelling of 1226824 in words is "one million, two hundred twenty-six thousand, eight hundred twenty-four".