28224498250 has 32 divisors (see below), whose sum is σ = 56900595024. Its totient is φ = 10421352000.

The previous prime is 28224498229. The next prime is 28224498307. The reversal of 28224498250 is 5289442282.

It can be written as a sum of positive squares in 8 ways, for example, as 615684969 + 27608813281 = 24813^2 + 166159^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28224498250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4338981 + ... + 4345480.

Almost surely, 2^28224498250 is an apocalyptic number.

28224498250 is an abundant number, since it is smaller than the sum of its proper divisors (28676096774).

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

28224498250 is a wasteful number, since it uses less digits than its factorization.

28224498250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8684491 (or 8684481 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 28224498250 in words is "twenty-eight billion, two hundred twenty-four million, four hundred ninety-eight thousand, two hundred fifty".