2248640828 has 24 divisors (see below), whose sum is σ = 4511667552. Its totient is φ = 960620544.

The previous prime is 2248640819. The next prime is 2248640833. The reversal of 2248640828 is 8280468422.

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 7 ways as a sum of consecutive naturals, for example, 119525 + ... + 137052.

It is an arithmetic number, because the mean of its divisors is an integer number (187986148).

Almost surely, 2^2248640828 is an apocalyptic number.

2248640828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2248640828 is an abundant number, since it is smaller than the sum of its proper divisors (2263026724).

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

2248640828 is a wasteful number, since it uses less digits than its factorization.

2248640828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256901 (or 256899 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 44.

The square root of 2248640828 is about 47419.8358073918. The cubic root of 2248640828 is about 1310.1067892666.

The spelling of 2248640828 in words is "two billion, two hundred forty-eight million, six hundred forty thousand, eight hundred twenty-eight".