1118822 has 8 divisors (see below), whose sum is σ = 1682856. Its totient is φ = 557872.

The previous prime is 1118809. The next prime is 1118827. The reversal of 1118822 is 2288111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 16.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118827) 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, 698 + ... + 1650.

It is an arithmetic number, because the mean of its divisors is an integer number (210357).

2^1118822 is an apocalyptic number.

1118822 is a deficient number, since it is larger than the sum of its proper divisors (564034).

1118822 is an equidigital number, since it uses as much as digits as its factorization.

1118822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1542.

The product of its digits is 256, while the sum is 23.

The square root of 1118822 is about 1057.7438253188. The cubic root of 1118822 is about 103.8134599905.

The spelling of 1118822 in words is "one million, one hundred eighteen thousand, eight hundred twenty-two".