2238046864 has 15 divisors (see below), whose sum is σ = 4336582467. Its totient is φ = 1118928816.

The previous prime is 2238046859. The next prime is 2238046871. The reversal of 2238046864 is 4686408322.

The square root of 2238046864 is 47308.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2238046864.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 183319 + ... + 195145.

Almost surely, 2^2238046864 is an apocalyptic number.

2238046864 is the 47308-th square number.

It is an amenable number.

2238046864 is a deficient number, since it is larger than the sum of its proper divisors (2098535603).

2238046864 is an frugal number, since it uses more digits than its factorization.

2238046864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23662 (or 11829 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 43.

The cubic root of 2238046864 is about 1308.0461255544.

The spelling of 2238046864 in words is "two billion, two hundred thirty-eight million, forty-six thousand, eight hundred sixty-four".