1838228284 has 12 divisors (see below), whose sum is σ = 3219132784. Its totient is φ = 918476064.

The previous prime is 1838228261. The next prime is 1838228311. The reversal of 1838228284 is 4828228381.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153009 + ... + 164584.

Almost surely, 2^1838228284 is an apocalyptic number.

It is an amenable number.

1838228284 is a deficient number, since it is larger than the sum of its proper divisors (1380904500).

1838228284 is a wasteful number, since it uses less digits than its factorization.

1838228284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319044 (or 319042 counting only the distinct ones).

The product of its digits is 393216, while the sum is 46.

The square root of 1838228284 is about 42874.5645342317. The cubic root of 1838228284 is about 1224.9917053999.

The spelling of 1838228284 in words is "one billion, eight hundred thirty-eight million, two hundred twenty-eight thousand, two hundred eighty-four".