1116822 has 16 divisors (see below), whose sum is σ = 2552832. Its totient is φ = 319080.

The previous prime is 1116821. The next prime is 1116851. The reversal of 1116822 is 2286111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116821) 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, 13254 + ... + 13337.

It is an arithmetic number, because the mean of its divisors is an integer number (159552).

2^1116822 is an apocalyptic number.

1116822 is an abundant number, since it is smaller than the sum of its proper divisors (1436010).

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

1116822 is a wasteful number, since it uses less digits than its factorization.

1116822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26603.

The product of its digits is 192, while the sum is 21.

The square root of 1116822 is about 1056.7979939421. The cubic root of 1116822 is about 103.7515643060.

The spelling of 1116822 in words is "one million, one hundred sixteen thousand, eight hundred twenty-two".