2208374256 has 320 divisors, whose sum is σ = 7250964480. Its totient is φ = 569733120.

The previous prime is 2208374243. The next prime is 2208374257. The reversal of 2208374256 is 6524738022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208374257) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3922231 + ... + 3922793.

It is an arithmetic number, because the mean of its divisors is an integer number (22659264).

Almost surely, 2^2208374256 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 2208374256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3625482240).

2208374256 is an abundant number, since it is smaller than the sum of its proper divisors (5042590224).

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

2208374256 is a wasteful number, since it uses less digits than its factorization.

2208374256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 2208374256 is about 46993.3426774474. The cubic root of 2208374256 is about 1302.2395825286.

The spelling of 2208374256 in words is "two billion, two hundred eight million, three hundred seventy-four thousand, two hundred fifty-six".