2240449 has 2 divisors, whose sum is σ = 2240450. Its totient is φ = 2240448.

The previous prime is 2240431. The next prime is 2240471. The reversal of 2240449 is 9440422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1254400 + 986049 = 1120^2 + 993^2 .

It is a cyclic number.

It is not a de Polignac number, because 2240449 - 2⁷ = 2240321 is a prime.

It is a super-2 number, since 2×2240449² = 10039223443202, which contains 22 as substring.

It is equal to p₁₆₅₄₂₇ and since 2240449 and 165427 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2240479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1120224 + 1120225.

It is an arithmetic number, because the mean of its divisors is an integer number (1120225).

2^2240449 is an apocalyptic number.

It is an amenable number.

2240449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2240449 is an equidigital number, since it uses as much as digits as its factorization.

2240449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2240449 is about 1496.8129475656. The cubic root of 2240449 is about 130.8513941376.

The spelling of 2240449 in words is "two million, two hundred forty thousand, four hundred forty-nine".