2240257 has 8 divisors (see below), whose sum is σ = 2337984. Its totient is φ = 2144688.

The previous prime is 2240213. The next prime is 2240267. The reversal of 2240257 is 7520422.

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 2240257 - 2¹¹ = 2238209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240267) 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, 1788 + ... + 2770.

It is an arithmetic number, because the mean of its divisors is an integer number (292248).

2^2240257 is an apocalyptic number.

It is an amenable number.

2240257 is a deficient number, since it is larger than the sum of its proper divisors (97727).

2240257 is an equidigital number, since it uses as much as digits as its factorization.

2240257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2240257 is about 1496.7488099210. The cubic root of 2240257 is about 130.8476561688.

Adding to 2240257 its reverse (7520422), we get a palindrome (9760679).

The spelling of 2240257 in words is "two million, two hundred forty thousand, two hundred fifty-seven".