2247389 has 2 divisors, whose sum is σ = 2247390. Its totient is φ = 2247388.

The previous prime is 2247379. The next prime is 2247397. The reversal of 2247389 is 9837422.

2247389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1844164 + 403225 = 1358^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 2247389 - 2⁴ = 2247373 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁷ + 4⁷ + 7⁴ + 3⁵ + 8⁷ + 9 .

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2247379) 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 as a sum of consecutive naturals, namely, 1123694 + 1123695.

It is an arithmetic number, because the mean of its divisors is an integer number (1123695).

2^2247389 is an apocalyptic number.

It is an amenable number.

2247389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2247389 is an equidigital number, since it uses as much as digits as its factorization.

2247389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 2247389 is about 1499.1294140267. The cubic root of 2247389 is about 130.9863630114.

The spelling of 2247389 in words is "two million, two hundred forty-seven thousand, three hundred eighty-nine".