2238651879 has 8 divisors (see below), whose sum is σ = 2989956480. Its totient is φ = 1489890936.

The previous prime is 2238651869. The next prime is 2238651889. The reversal of 2238651879 is 9781568322.

It is an interprime number because it is at equal distance from previous prime (2238651869) and next prime (2238651889).

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

It is not a de Polignac number, because 2238651879 - 2¹⁵ = 2238619111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2238651869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 633859 + ... + 637380.

It is an arithmetic number, because the mean of its divisors is an integer number (373744560).

Almost surely, 2^2238651879 is an apocalyptic number.

2238651879 is a deficient number, since it is larger than the sum of its proper divisors (751304601).

2238651879 is a wasteful number, since it uses less digits than its factorization.

2238651879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271829.

The product of its digits is 1451520, while the sum is 51.

The square root of 2238651879 is about 47314.3939937943. The cubic root of 2238651879 is about 1308.1639837097.

The spelling of 2238651879 in words is "two billion, two hundred thirty-eight million, six hundred fifty-one thousand, eight hundred seventy-nine".