240225221 has 8 divisors (see below), whose sum is σ = 242323200. Its totient is φ = 238132800.

The previous prime is 240225197. The next prime is 240225239. The reversal of 240225221 is 122522042.

240225221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 240225221 - 2²² = 236030917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240225193 and 240225202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240222221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166220 + ... + 167658.

It is an arithmetic number, because the mean of its divisors is an integer number (30290400).

Almost surely, 2^240225221 is an apocalyptic number.

It is an amenable number.

240225221 is a deficient number, since it is larger than the sum of its proper divisors (2097979).

240225221 is a wasteful number, since it uses less digits than its factorization.

240225221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 240225221 is about 15499.2006568081. The cubic root of 240225221 is about 621.6408331962.

Adding to 240225221 its reverse (122522042), we get a palindrome (362747263).

The spelling of 240225221 in words is "two hundred forty million, two hundred twenty-five thousand, two hundred twenty-one".