2240047 has 4 divisors (see below), whose sum is σ = 2317320. Its totient is φ = 2162776.

The previous prime is 2240027. The next prime is 2240057. The reversal of 2240047 is 7400422.

2240047 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2240047 - 2¹⁵ = 2207279 is a prime.

It is a super-3 number, since 3×2240047³ = 33720394489333751469, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38593 + ... + 38650.

It is an arithmetic number, because the mean of its divisors is an integer number (579330).

2^2240047 is an apocalyptic number.

2240047 is a deficient number, since it is larger than the sum of its proper divisors (77273).

2240047 is an equidigital number, since it uses as much as digits as its factorization.

2240047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77272.

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 2240047 is about 1496.6786562252. The cubic root of 2240047 is about 130.8435675209.

Adding to 2240047 its reverse (7400422), we get a palindrome (9640469).

The spelling of 2240047 in words is "two million, two hundred forty thousand, forty-seven".