28422048200 has 324 divisors, whose sum is σ = 83878226595. Its totient is φ = 8926444800.

The previous prime is 28422048197. The next prime is 28422048203. The reversal of 28422048200 is 284022482.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (28422048197) and next prime (28422048203).

It can be written as a sum of positive squares in 5 ways, for example, as 1779321124 + 26642727076 = 42182^2 + 163226^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=119210.

It is not an unprimeable number, because it can be changed into a prime (28422048203) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 216962135 + ... + 216962265.

Almost surely, 2^28422048200 is an apocalyptic number.

28422048200 is a gapful number since it is divisible by the number (20) 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 28422048200

28422048200 is an abundant number, since it is smaller than the sum of its proper divisors (55456178395).

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

28422048200 is a wasteful number, since it uses less digits than its factorization.

28422048200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

Multiplying 28422048200 by its sum of digits (32), we get a square (909505542400 = 953680²).

The spelling of 28422048200 in words is "twenty-eight billion, four hundred twenty-two million, forty-eight thousand, two hundred".