200222440 has 64 divisors (see below), whose sum is σ = 495927360. Its totient is φ = 72145920.

The previous prime is 200222431. The next prime is 200222461. The reversal of 200222440 is 44222002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47707 + ... + 51733.

It is an arithmetic number, because the mean of its divisors is an integer number (7748865).

Almost surely, 2^200222440 is an apocalyptic number.

200222440 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 200222440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247963680).

200222440 is an abundant number, since it is smaller than the sum of its proper divisors (295704920).

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

200222440 is a wasteful number, since it uses less digits than its factorization.

200222440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4162 (or 4158 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 200222440 is about 14149.9978798585. The cubic root of 200222440 is about 585.0202734835.

Adding to 200222440 its reverse (44222002), we get a palindrome (244444442).

It can be divided in two parts, 2002 and 22440, that added together give a palindrome (24442).

The spelling of 200222440 in words is "two hundred million, two hundred twenty-two thousand, four hundred forty".