2210040449 has 2 divisors, whose sum is σ = 2210040450. Its totient is φ = 2210040448.

The previous prime is 2210040421. The next prime is 2210040457. The reversal of 2210040449 is 9440400122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1778730625 + 431309824 = 42175^2 + 20768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2210040449 is a prime.

It is a super-2 number, since 2×2210040449² = 9768557572432243202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2210040949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105020224 + 1105020225.

It is an arithmetic number, because the mean of its divisors is an integer number (1105020225).

Almost surely, 2^2210040449 is an apocalyptic number.

It is an amenable number.

2210040449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210040449 is an equidigital number, since it uses as much as digits as its factorization.

2210040449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2210040449 is about 47011.0673033489. The cubic root of 2210040449 is about 1302.5670084631.

The spelling of 2210040449 in words is "two billion, two hundred ten million, forty thousand, four hundred forty-nine".