1228833 has 6 divisors (see below), whose sum is σ = 1774994. Its totient is φ = 819216.

The previous prime is 1228789. The next prime is 1228837. The reversal of 1228833 is 3388221.

It can be written as a sum of positive squares in only one way, i.e., 1140624 + 88209 = 1068^2 + 297^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1228833 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1228797 and 1228806.

It is not an unprimeable number, because it can be changed into a prime (1228837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68260 + ... + 68277.

2^1228833 is an apocalyptic number.

It is an amenable number.

1228833 is a deficient number, since it is larger than the sum of its proper divisors (546161).

1228833 is a wasteful number, since it uses less digits than its factorization.

1228833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136543 (or 136540 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1228833 is about 1108.5274015558. The cubic root of 1228833 is about 107.1102308278.

It can be divided in two parts, 12288 and 33, that multiplied together give a palindrome (405504).

The spelling of 1228833 in words is "one million, two hundred twenty-eight thousand, eight hundred thirty-three".