1818286252 has 24 divisors (see below), whose sum is σ = 3326200416. Its totient is φ = 868082688.

The previous prime is 1818286247. The next prime is 1818286273. The reversal of 1818286252 is 2526828181.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1818286199 and 1818286208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35958 + ... + 70210.

It is an arithmetic number, because the mean of its divisors is an integer number (138591684).

Almost surely, 2^1818286252 is an apocalyptic number.

It is an amenable number.

1818286252 is a deficient number, since it is larger than the sum of its proper divisors (1507914164).

1818286252 is a wasteful number, since it uses less digits than its factorization.

1818286252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34857 (or 34855 counting only the distinct ones).

The product of its digits is 122880, while the sum is 43.

The square root of 1818286252 is about 42641.3678486045. The cubic root of 1818286252 is about 1220.5458123897.

The spelling of 1818286252 in words is "one billion, eight hundred eighteen million, two hundred eighty-six thousand, two hundred fifty-two".