814225831818 has 32 divisors (see below), whose sum is σ = 1861131496320. Its totient is φ = 232630466880.

The previous prime is 814225831817. The next prime is 814225831891. The reversal of 814225831818 is 818138522418.

It is not an unprimeable number, because it can be changed into a prime (814225831817) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1782088 + ... + 2191868.

It is an arithmetic number, because the mean of its divisors is an integer number (58160359260).

Almost surely, 2^814225831818 is an apocalyptic number.

814225831818 is an abundant number, since it is smaller than the sum of its proper divisors (1046905664502).

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

814225831818 is a wasteful number, since it uses less digits than its factorization.

814225831818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457102.

The product of its digits is 983040, while the sum is 51.

The spelling of 814225831818 in words is "eight hundred fourteen billion, two hundred twenty-five million, eight hundred thirty-one thousand, eight hundred eighteen".