11422847 has 4 divisors (see below), whose sum is σ = 11567520. Its totient is φ = 11278176.

The previous prime is 11422841. The next prime is 11422903. The reversal of 11422847 is 74822411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74822411 = 2399 ⋅31189.

It is a cyclic number.

It is not a de Polignac number, because 11422847 - 2¹² = 11418751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11422841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72218 + ... + 72375.

It is an arithmetic number, because the mean of its divisors is an integer number (2891880).

Almost surely, 2^11422847 is an apocalyptic number.

11422847 is a deficient number, since it is larger than the sum of its proper divisors (144673).

11422847 is an equidigital number, since it uses as much as digits as its factorization.

11422847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144672.

The product of its digits is 3584, while the sum is 29.

The square root of 11422847 is about 3379.7702584643. The cubic root of 11422847 is about 225.2119615755.

The spelling of 11422847 in words is "eleven million, four hundred twenty-two thousand, eight hundred forty-seven".