22128107 has 2 divisors, whose sum is σ = 22128108. Its totient is φ = 22128106.

The previous prime is 22128091. The next prime is 22128121. The reversal of 22128107 is 70182122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22128107 - 2⁴ = 22128091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22128167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11064053 + 11064054.

It is an arithmetic number, because the mean of its divisors is an integer number (11064054).

Almost surely, 2^22128107 is an apocalyptic number.

22128107 is a deficient number, since it is larger than the sum of its proper divisors (1).

22128107 is an equidigital number, since it uses as much as digits as its factorization.

22128107 is an evil number, because the sum of its binary digits is even.

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

The square root of 22128107 is about 4704.0521893363. The cubic root of 22128107 is about 280.7467608676.

The spelling of 22128107 in words is "twenty-two million, one hundred twenty-eight thousand, one hundred seven".