240225220 has 24 divisors (see below), whose sum is σ = 504768600. Its totient is φ = 96033792.

The previous prime is 240225197. The next prime is 240225239. The reversal of 240225220 is 22522042.

It can be written as a sum of positive squares in 4 ways, for example, as 66618244 + 173606976 = 8162^2 + 13176^2 .

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 7 ways as a sum of consecutive naturals, for example, 56116 + ... + 60244.

It is an arithmetic number, because the mean of its divisors is an integer number (21032025).

Almost surely, 2^240225220 is an apocalyptic number.

240225220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240225220 is an abundant number, since it is smaller than the sum of its proper divisors (264543380).

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

240225220 is a wasteful number, since it uses less digits than its factorization.

240225220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7047 (or 7045 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 240225220 is about 15499.2006245484. The cubic root of 240225220 is about 621.6408323336.

Adding to 240225220 its reverse (22522042), we get a palindrome (262747262).

The spelling of 240225220 in words is "two hundred forty million, two hundred twenty-five thousand, two hundred twenty".