1840228472 has 16 divisors (see below), whose sum is σ = 3450961800. Its totient is φ = 919972000.

The previous prime is 1840228463. The next prime is 1840228477. The reversal of 1840228472 is 2748220481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840228477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54479 + ... + 81537.

Almost surely, 2^1840228472 is an apocalyptic number.

It is an amenable number.

1840228472 is a deficient number, since it is larger than the sum of its proper divisors (1610733328).

1840228472 is a wasteful number, since it uses less digits than its factorization.

1840228472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35566 (or 35562 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 38.

The square root of 1840228472 is about 42897.8842368712. The cubic root of 1840228472 is about 1225.4358514597.

The spelling of 1840228472 in words is "one billion, eight hundred forty million, two hundred twenty-eight thousand, four hundred seventy-two".