11222147 has 2 divisors, whose sum is σ = 11222148. Its totient is φ = 11222146.

The previous prime is 11222129. The next prime is 11222161. The reversal of 11222147 is 74122211.

11222147 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 is a cyclic number.

It is not a de Polignac number, because 11222147 - 2⁶ = 11222083 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11222177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611073 + 5611074.

It is an arithmetic number, because the mean of its divisors is an integer number (5611074).

Almost surely, 2^11222147 is an apocalyptic number.

11222147 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222147 is an equidigital number, since it uses as much as digits as its factorization.

11222147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 224, while the sum is 20.

The square root of 11222147 is about 3349.9473130185. The cubic root of 11222147 is about 223.8851651508.

Adding to 11222147 its reverse (74122211), we get a palindrome (85344358).

The spelling of 11222147 in words is "eleven million, two hundred twenty-two thousand, one hundred forty-seven".