2268428 has 6 divisors (see below), whose sum is σ = 3969756. Its totient is φ = 1134212.

The previous prime is 2268403. The next prime is 2268437. The reversal of 2268428 is 8248622.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2268394 and 2268403.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283550 + ... + 283557.

It is an arithmetic number, because the mean of its divisors is an integer number (661626).

2^2268428 is an apocalyptic number.

It is an amenable number.

2268428 is a deficient number, since it is larger than the sum of its proper divisors (1701328).

2268428 is a wasteful number, since it uses less digits than its factorization.

2268428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567111 (or 567109 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 2268428 is about 1506.1301404593. The cubic root of 2268428 is about 131.3938383778.

The spelling of 2268428 in words is "two million, two hundred sixty-eight thousand, four hundred twenty-eight".