1223288 has 16 divisors (see below), whose sum is σ = 2502360. Its totient is φ = 556000.

The previous prime is 1223281. The next prime is 1223309. The reversal of 1223288 is 8823221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6863 + ... + 7038.

2^1223288 is an apocalyptic number.

It is an amenable number.

1223288 is an abundant number, since it is smaller than the sum of its proper divisors (1279072).

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

1223288 is a wasteful number, since it uses less digits than its factorization.

1223288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13918 (or 13914 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

The square root of 1223288 is about 1106.0235078876. The cubic root of 1223288 is about 106.9488794148.

The spelling of 1223288 in words is "one million, two hundred twenty-three thousand, two hundred eighty-eight".