2238458188 has 6 divisors (see below), whose sum is σ = 3917301836. Its totient is φ = 1119229092.

The previous prime is 2238458129. The next prime is 2238458213. The reversal of 2238458188 is 8818548322.

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 as a sum of consecutive naturals, namely, 279807270 + ... + 279807277.

Almost surely, 2^2238458188 is an apocalyptic number.

It is an amenable number.

2238458188 is a deficient number, since it is larger than the sum of its proper divisors (1678843648).

2238458188 is a wasteful number, since it uses less digits than its factorization.

2238458188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559614551 (or 559614549 counting only the distinct ones).

The product of its digits is 983040, while the sum is 49.

The square root of 2238458188 is about 47312.3470988282. The cubic root of 2238458188 is about 1308.1262546192.

The spelling of 2238458188 in words is "two billion, two hundred thirty-eight million, four hundred fifty-eight thousand, one hundred eighty-eight".