2238885238 has 4 divisors (see below), whose sum is σ = 3358327860. Its totient is φ = 1119442618.

The previous prime is 2238885211. The next prime is 2238885239. The reversal of 2238885238 is 8325888322.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2238885191 and 2238885200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238885239) by changing a digit.

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 as a sum of consecutive naturals, namely, 559721308 + ... + 559721311.

It is an arithmetic number, because the mean of its divisors is an integer number (839581965).

Almost surely, 2^2238885238 is an apocalyptic number.

2238885238 is a deficient number, since it is larger than the sum of its proper divisors (1119442622).

2238885238 is a wasteful number, since it uses less digits than its factorization.

2238885238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119442621.

The product of its digits is 1474560, while the sum is 49.

The square root of 2238885238 is about 47316.8599761227. The cubic root of 2238885238 is about 1308.2094368439.

The spelling of 2238885238 in words is "two billion, two hundred thirty-eight million, eight hundred eighty-five thousand, two hundred thirty-eight".