2238646855 has 8 divisors (see below), whose sum is σ = 2686730832. Its totient is φ = 1790681088.

The previous prime is 2238646849. The next prime is 2238646903. The reversal of 2238646855 is 5586468322.

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

It is a cyclic number.

It is not a de Polignac number, because 2238646855 - 2³¹ = 91163207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2238646799 and 2238646808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19527 + ... + 69703.

It is an arithmetic number, because the mean of its divisors is an integer number (335841354).

Almost surely, 2^2238646855 is an apocalyptic number.

2238646855 is a deficient number, since it is larger than the sum of its proper divisors (448083977).

2238646855 is an equidigital number, since it uses as much as digits as its factorization.

2238646855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59105.

The product of its digits is 2764800, while the sum is 49.

The square root of 2238646855 is about 47314.3409020986. The cubic root of 2238646855 is about 1308.1630051117.

The spelling of 2238646855 in words is "two billion, two hundred thirty-eight million, six hundred forty-six thousand, eight hundred fifty-five".