818485226252 has 12 divisors (see below), whose sum is σ = 1432483248000. Its totient is φ = 409204298256.

The previous prime is 818485226233. The next prime is 818485226267. The reversal of 818485226252 is 252622584818.

It is a junction number, because it is equal to n+sod(n) for n = 818485226194 and 818485226203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9530627 + ... + 9616122.

It is an arithmetic number, because the mean of its divisors is an integer number (119373604000).

Almost surely, 2^818485226252 is an apocalyptic number.

It is an amenable number.

818485226252 is a deficient number, since it is larger than the sum of its proper divisors (613998021748).

818485226252 is a wasteful number, since it uses less digits than its factorization.

818485226252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19157440 (or 19157438 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 53.

The spelling of 818485226252 in words is "eight hundred eighteen billion, four hundred eighty-five million, two hundred twenty-six thousand, two hundred fifty-two".