22116907 has 2 divisors, whose sum is σ = 22116908. Its totient is φ = 22116906.

The previous prime is 22116889. The next prime is 22116929. The reversal of 22116907 is 70961122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22116907 - 2¹⁹ = 21592619 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22116967) 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, 11058453 + 11058454.

It is an arithmetic number, because the mean of its divisors is an integer number (11058454).

Almost surely, 2^22116907 is an apocalyptic number.

22116907 is a deficient number, since it is larger than the sum of its proper divisors (1).

22116907 is an equidigital number, since it uses as much as digits as its factorization.

22116907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 22116907 is about 4702.8615756792. The cubic root of 22116907 is about 280.6993868142.

It can be divided in two parts, 2211690 and 7, that multiplied together give a triangular number (15481830 = T₅₅₆₄).

The spelling of 22116907 in words is "twenty-two million, one hundred sixteen thousand, nine hundred seven".