202222500 has 120 divisors (see below), whose sum is σ = 600932640. Its totient is φ = 52896000.

The previous prime is 202222499. The next prime is 202222519. The reversal of 202222500 is 5222202.

202222500 is digitally balanced in base 3, 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 (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202222500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 442272 + ... + 442728.

It is an arithmetic number, because the mean of its divisors is an integer number (5007772).

Almost surely, 2^202222500 is an apocalyptic number.

202222500 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 202222500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300466320).

202222500 is an abundant number, since it is smaller than the sum of its proper divisors (398710140).

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

202222500 is a wasteful number, since it uses less digits than its factorization.

202222500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 202222500 is about 14220.4957719483. The cubic root of 202222500 is about 586.9617826212.

Adding to 202222500 its reverse (5222202), we get a palindrome (207444702).

It can be divided in two parts, 20222 and 2500, that added together give a palindrome (22722).

The spelling of 202222500 in words is "two hundred two million, two hundred twenty-two thousand, five hundred".