11422247 has 2 divisors, whose sum is σ = 11422248. Its totient is φ = 11422246.

The previous prime is 11422241. The next prime is 11422261. The reversal of 11422247 is 74222411.

11422247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (74222411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11422247 - 2⁶ = 11422183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11422241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5711123 + 5711124.

It is an arithmetic number, because the mean of its divisors is an integer number (5711124).

Almost surely, 2^11422247 is an apocalyptic number.

11422247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11422247 is an equidigital number, since it uses as much as digits as its factorization.

11422247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 896, while the sum is 23.

The square root of 11422247 is about 3379.6814938689. The cubic root of 11422247 is about 225.2080183220.

Adding to 11422247 its reverse (74222411), we get a palindrome (85644658).

The spelling of 11422247 in words is "eleven million, four hundred twenty-two thousand, two hundred forty-seven".