1228862 has 16 divisors (see below), whose sum is σ = 1995840. Its totient is φ = 565248.

The previous prime is 1228861. The next prime is 1228883. The reversal of 1228862 is 2688221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1214 + ... + 1982.

It is an arithmetic number, because the mean of its divisors is an integer number (124740).

2^1228862 is an apocalyptic number.

1228862 is a deficient number, since it is larger than the sum of its proper divisors (766978).

1228862 is a wasteful number, since it uses less digits than its factorization.

1228862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835.

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

The square root of 1228862 is about 1108.5404818950. The cubic root of 1228862 is about 107.1110734083. Note that the first 3 decimals are identical.

The spelling of 1228862 in words is "one million, two hundred twenty-eight thousand, eight hundred sixty-two".