11222851 has 2 divisors, whose sum is σ = 11222852. Its totient is φ = 11222850.

The previous prime is 11222843. The next prime is 11222857. The reversal of 11222851 is 15822211.

It is a strong prime.

It is an emirp because it is prime and its reverse (15822211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11222851 - 2³ = 11222843 is a prime.

It is not a weakly prime, because it can be changed into another prime (11222857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611425 + 5611426.

It is an arithmetic number, because the mean of its divisors is an integer number (5611426).

Almost surely, 2^11222851 is an apocalyptic number.

11222851 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222851 is an equidigital number, since it uses as much as digits as its factorization.

11222851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 320, while the sum is 22.

The square root of 11222851 is about 3350.0523876501. The cubic root of 11222851 is about 223.8898467226.

The spelling of 11222851 in words is "eleven million, two hundred twenty-two thousand, eight hundred fifty-one".