1226288 has 20 divisors (see below), whose sum is σ = 2715600. Its totient is φ = 525504.

The previous prime is 1226263. The next prime is 1226293. The reversal of 1226288 is 8826221.

It is a self number, because there is not a number n which added to its sum of digits gives 1226288.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5363 + ... + 5586.

It is an arithmetic number, because the mean of its divisors is an integer number (135780).

2^1226288 is an apocalyptic number.

It is an amenable number.

1226288 is an abundant number, since it is smaller than the sum of its proper divisors (1489312).

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

1226288 is a wasteful number, since it uses less digits than its factorization.

1226288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10964 (or 10958 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 1226288 is about 1107.3788872829. The cubic root of 1226288 is about 107.0362354347.

The spelling of 1226288 in words is "one million, two hundred twenty-six thousand, two hundred eighty-eight".