2240003 has 2 divisors, whose sum is σ = 2240004. Its totient is φ = 2240002.

The previous prime is 2239997. The next prime is 2240023. The reversal of 2240003 is 3000422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2240003 - 2⁴ = 2239987 is a prime.

It is a super-2 number, since 2×2240003² = 10035226880018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2240023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120001 + 1120002.

It is an arithmetic number, because the mean of its divisors is an integer number (1120002).

2^2240003 is an apocalyptic number.

2240003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240003 is an equidigital number, since it uses as much as digits as its factorization.

2240003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2240003 is about 1496.6639569389. The cubic root of 2240003 is about 130.8427108194.

Adding to 2240003 its reverse (3000422), we get a palindrome (5240425).

The spelling of 2240003 in words is "two million, two hundred forty thousand, three".