2238430928 has 30 divisors (see below), whose sum is σ = 4358068722. Its totient is φ = 1113781440.

The previous prime is 2238430903. The next prime is 2238430933. The reversal of 2238430928 is 8290348322.

It can be written as a sum of positive squares in only one way, i.e., 2207872144 + 30558784 = 46988^2 + 5528^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3239063 + ... + 3239753.

Almost surely, 2^2238430928 is an apocalyptic number.

It is an amenable number.

2238430928 is a deficient number, since it is larger than the sum of its proper divisors (2119637794).

2238430928 is an frugal number, since it uses more digits than its factorization.

2238430928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683 (or 986 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 2238430928 is about 47312.0590124759. The cubic root of 2238430928 is about 1308.1209444662.

The spelling of 2238430928 in words is "two billion, two hundred thirty-eight million, four hundred thirty thousand, nine hundred twenty-eight".