4240225 has 24 divisors (see below), whose sum is σ = 6079968. Its totient is φ = 2899200.

The previous prime is 4240219. The next prime is 4240267. The reversal of 4240225 is 5220424.

It is not a de Polignac number, because 4240225 - 2³ = 4240217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4222 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (253332).

Almost surely, 2^4240225 is an apocalyptic number.

It is an amenable number.

4240225 is a deficient number, since it is larger than the sum of its proper divisors (1839743).

4240225 is a wasteful number, since it uses less digits than its factorization.

4240225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945 (or 940 counting only the distinct ones).

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

The square root of 4240225 is about 2059.1806623024. The cubic root of 4240225 is about 161.8563096144.

Adding to 4240225 its reverse (5220424), we get a palindrome (9460649).

It can be divided in two parts, 4240 and 225, that added together give a triangular number (4465 = T₉₄).

The spelling of 4240225 in words is "four million, two hundred forty thousand, two hundred twenty-five".