83221050 has 96 divisors (see below), whose sum is σ = 232556544. Its totient is φ = 19512000.

The previous prime is 83221037. The next prime is 83221051. The reversal of 83221050 is 5012238.

It is not an unprimeable number, because it can be changed into a prime (83221051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50337 + ... + 51963.

It is an arithmetic number, because the mean of its divisors is an integer number (2422464).

Almost surely, 2^83221050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 83221050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116278272).

83221050 is an abundant number, since it is smaller than the sum of its proper divisors (149335494).

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

83221050 is a wasteful number, since it uses less digits than its factorization.

83221050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1684 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 83221050 is about 9122.5572072747. The cubic root of 83221050 is about 436.5939671395.

Adding to 83221050 its reverse (5012238), we get a palindrome (88233288).

The spelling of 83221050 in words is "eighty-three million, two hundred twenty-one thousand, fifty".