2238158208 has 128 divisors (see below), whose sum is σ = 6984633600. Its totient is φ = 626042880.

The previous prime is 2238158179. The next prime is 2238158233. The reversal of 2238158208 is 8028518322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 34533 + ... + 75291.

It is an arithmetic number, because the mean of its divisors is an integer number (54567450).

Almost surely, 2^2238158208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2238158208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3492316800).

2238158208 is an abundant number, since it is smaller than the sum of its proper divisors (4746475392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2238158208 is a wasteful number, since it uses less digits than its factorization.

2238158208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40800 (or 40788 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 2238158208 is about 47309.1767842139. The cubic root of 2238158208 is about 1308.0678171872.

The spelling of 2238158208 in words is "two billion, two hundred thirty-eight million, one hundred fifty-eight thousand, two hundred eight".