2247409 has 2 divisors, whose sum is σ = 2247410. Its totient is φ = 2247408.

The previous prime is 2247397. The next prime is 2247433. The reversal of 2247409 is 9047422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2241009 + 6400 = 1497^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247409 - 2¹³ = 2239217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2247439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1123704 + 1123705.

It is an arithmetic number, because the mean of its divisors is an integer number (1123705).

2^2247409 is an apocalyptic number.

It is an amenable number.

2247409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247409 is an equidigital number, since it uses as much as digits as its factorization.

2247409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2247409 is about 1499.1360845500. The cubic root of 2247409 is about 130.9867515689.

The spelling of 2247409 in words is "two million, two hundred forty-seven thousand, four hundred nine".