11228207 has 2 divisors, whose sum is σ = 11228208. Its totient is φ = 11228206.

The previous prime is 11228171. The next prime is 11228227. The reversal of 11228207 is 70282211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11228207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11228227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5614103 + 5614104.

It is an arithmetic number, because the mean of its divisors is an integer number (5614104).

Almost surely, 2^11228207 is an apocalyptic number.

11228207 is a deficient number, since it is larger than the sum of its proper divisors (1).

11228207 is an equidigital number, since it uses as much as digits as its factorization.

11228207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 11228207 is about 3350.8516827816. The cubic root of 11228207 is about 223.9254574989.

The spelling of 11228207 in words is "eleven million, two hundred twenty-eight thousand, two hundred seven".