216482250 has 64 divisors (see below), whose sum is σ = 572158080. Its totient is φ = 54329600.

The previous prime is 216482243. The next prime is 216482291. The reversal of 216482250 is 52284612.

216482250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4261 + ... + 21239.

It is an arithmetic number, because the mean of its divisors is an integer number (8939970).

Almost surely, 2^216482250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 216482250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286079040).

216482250 is an abundant number, since it is smaller than the sum of its proper divisors (355675830).

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

216482250 is a wasteful number, since it uses less digits than its factorization.

216482250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17016 (or 17006 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 216482250 is about 14713.3357876452. The cubic root of 216482250 is about 600.4461958776.

The spelling of 216482250 in words is "two hundred sixteen million, four hundred eighty-two thousand, two hundred fifty".