2238978790 has 16 divisors (see below), whose sum is σ = 4032316080. Its totient is φ = 895112800.

The previous prime is 2238978733. The next prime is 2238978827. The reversal of 2238978790 is 978798322.

It is a congruent number.

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, 39880 + ... + 77899.

It is an arithmetic number, because the mean of its divisors is an integer number (252019755).

Almost surely, 2^2238978790 is an apocalyptic number.

2238978790 is a deficient number, since it is larger than the sum of its proper divisors (1793337290).

2238978790 is a wasteful number, since it uses less digits than its factorization.

2238978790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119687.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 2238978790 is about 47317.8485351986. The cubic root of 2238978790 is about 1308.2276578023.

The spelling of 2238978790 in words is "two billion, two hundred thirty-eight million, nine hundred seventy-eight thousand, seven hundred ninety".