82216350 has 48 divisors (see below), whose sum is σ = 226555440. Its totient is φ = 21924000.

The previous prime is 82216319. The next prime is 82216417. The reversal of 82216350 is 5361228.

82216350 is a `hidden beast` number, since 8 + 2 + 21 + 635 + 0 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29101 + ... + 31800.

It is an arithmetic number, because the mean of its divisors is an integer number (4719905).

Almost surely, 2^82216350 is an apocalyptic number.

82216350 is an abundant number, since it is smaller than the sum of its proper divisors (144339090).

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

82216350 is a wasteful number, since it uses less digits than its factorization.

82216350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60922 (or 60911 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 82216350 is about 9067.3231992689. The cubic root of 82216350 is about 434.8298978202.

Adding to 82216350 its reverse (5361228), we get a palindrome (87577578).

The spelling of 82216350 in words is "eighty-two million, two hundred sixteen thousand, three hundred fifty".