2240015 has 4 divisors (see below), whose sum is σ = 2688024. Its totient is φ = 1792008.

The previous prime is 2240003. The next prime is 2240023. The reversal of 2240015 is 5100422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2240015 - 2⁸ = 2239759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223997 + ... + 224006.

It is an arithmetic number, because the mean of its divisors is an integer number (672006).

2^2240015 is an apocalyptic number.

2240015 is a deficient number, since it is larger than the sum of its proper divisors (448009).

2240015 is an equidigital number, since it uses as much as digits as its factorization.

2240015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448008.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2240015 is about 1496.6679658495. The cubic root of 2240015 is about 130.8429444664.

Adding to 2240015 its reverse (5100422), we get a palindrome (7340437).

The spelling of 2240015 in words is "two million, two hundred forty thousand, fifteen".