1228824 has 32 divisors (see below), whose sum is σ = 3414000. Its totient is φ = 409536.

The previous prime is 1228789. The next prime is 1228837. The reversal of 1228824 is 4288221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2629 + ... + 3060.

2^1228824 is an apocalyptic number.

It is an amenable number.

1228824 is an abundant number, since it is smaller than the sum of its proper divisors (2185176).

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

1228824 is a wasteful number, since it uses less digits than its factorization.

1228824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5704 (or 5694 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 1228824 is about 1108.5233421088. The cubic root of 1228824 is about 107.1099693346.

The spelling of 1228824 in words is "one million, two hundred twenty-eight thousand, eight hundred twenty-four".