200222500 has 45 divisors (see below), whose sum is σ = 439399191. Its totient is φ = 79806000.

The previous prime is 200222497. The next prime is 200222507. The reversal of 200222500 is 5222002.

The square root of 200222500 is 14150.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 15697444 + 184525056 = 3962^2 + 13584^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200222507) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 707359 + ... + 707641.

Almost surely, 2^200222500 is an apocalyptic number.

200222500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

200222500 is the 14150-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200222500

200222500 is an abundant number, since it is smaller than the sum of its proper divisors (239176691).

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

200222500 is an frugal number, since it uses more digits than its factorization.

200222500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The cubic root of 200222500 is about 585.0203319205.

Adding to 200222500 its reverse (5222002), we get a palindrome (205444502).

It can be divided in two parts, 20022 and 2500, that added together give a palindrome (22522).

The spelling of 200222500 in words is "two hundred million, two hundred twenty-two thousand, five hundred".