2203645248 has 252 divisors, whose sum is σ = 7408103040. Its totient is φ = 624443904.

The previous prime is 2203645217. The next prime is 2203645267. The reversal of 2203645248 is 8425463022.

2203645248 is a `hidden beast` number, since 2 + 2 + 0 + 3 + 645 + 2 + 4 + 8 = 666.

It is a Cunningham number, because it is equal to 46943²-1.

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 35 ways as a sum of consecutive naturals, for example, 4600273 + ... + 4600751.

Almost surely, 2^2203645248 is an apocalyptic number.

2203645248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2203645248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3704051520).

2203645248 is an abundant number, since it is smaller than the sum of its proper divisors (5204457792).

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

2203645248 is a wasteful number, since it uses less digits than its factorization.

2203645248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 2203645248 is about 46942.9999893488. Note that the first 4 decimals coincide. The cubic root of 2203645248 is about 1301.3093805312.

The spelling of 2203645248 in words is "two billion, two hundred three million, six hundred forty-five thousand, two hundred forty-eight".