28062223200 has 648 divisors, whose sum is σ = 112891071384. Its totient is φ = 6797260800.

The previous prime is 28062223193. The next prime is 28062223237. The reversal of 28062223200 is 232226082.

It is a happy number.

28062223200 is a `hidden beast` number, since 2 + 8 + 0 + 622 + 2 + 32 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (648).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 23521804 + ... + 23522996.

Almost surely, 2^28062223200 is an apocalyptic number.

28062223200 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 28062223200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56445535692).

28062223200 is an abundant number, since it is smaller than the sum of its proper divisors (84828848184).

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

28062223200 is a wasteful number, since it uses less digits than its factorization.

28062223200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1250 (or 1214 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 28062223200 its reverse (232226082), we get a palindrome (28294449282).

The spelling of 28062223200 in words is "twenty-eight billion, sixty-two million, two hundred twenty-three thousand, two hundred".