818803122 has 16 divisors (see below), whose sum is σ = 1664452992. Its totient is φ = 268459920.

The previous prime is 818803109. The next prime is 818803123. The reversal of 818803122 is 221308818.

It is not an unprimeable number, because it can be changed into a prime (818803123) 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, 1118218 + ... + 1118949.

It is an arithmetic number, because the mean of its divisors is an integer number (104028312).

Almost surely, 2^818803122 is an apocalyptic number.

818803122 is an abundant number, since it is smaller than the sum of its proper divisors (845649870).

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

818803122 is a wasteful number, since it uses less digits than its factorization.

818803122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237233.

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 818803122 is about 28614.7360987307. The cubic root of 818803122 is about 935.5345478729.

The spelling of 818803122 in words is "eight hundred eighteen million, eight hundred three thousand, one hundred twenty-two".