2238122657 has 8 divisors (see below), whose sum is σ = 2289036672. Its totient is φ = 2187346000.

The previous prime is 2238122629. The next prime is 2238122671. The reversal of 2238122657 is 7562218322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2238122657 is a prime.

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 2238122657.

It is not an unprimeable number, because it can be changed into a prime (2238122687) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1019 + ... + 66912.

It is an arithmetic number, because the mean of its divisors is an integer number (286129584).

Almost surely, 2^2238122657 is an apocalyptic number.

It is an amenable number.

2238122657 is a deficient number, since it is larger than the sum of its proper divisors (50914015).

2238122657 is an equidigital number, since it uses as much as digits as its factorization.

2238122657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68679.

The product of its digits is 80640, while the sum is 38.

The square root of 2238122657 is about 47308.8010522355. The cubic root of 2238122657 is about 1308.0608913490.

The spelling of 2238122657 in words is "two billion, two hundred thirty-eight million, one hundred twenty-two thousand, six hundred fifty-seven".