22226851 has 2 divisors, whose sum is σ = 22226852. Its totient is φ = 22226850.

The previous prime is 22226849. The next prime is 22226873. The reversal of 22226851 is 15862222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22226851 - 2¹ = 22226849 is a prime.

Together with 22226849, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22226801) 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, 11113425 + 11113426.

It is an arithmetic number, because the mean of its divisors is an integer number (11113426).

Almost surely, 2^22226851 is an apocalyptic number.

22226851 is a deficient number, since it is larger than the sum of its proper divisors (1).

22226851 is an equidigital number, since it uses as much as digits as its factorization.

22226851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 28.

The square root of 22226851 is about 4714.5361383703. The cubic root of 22226851 is about 281.1637407240.

The spelling of 22226851 in words is "twenty-two million, two hundred twenty-six thousand, eight hundred fifty-one".