22262909 has 2 divisors, whose sum is σ = 22262910. Its totient is φ = 22262908.

The previous prime is 22262893. The next prime is 22262941. The reversal of 22262909 is 90926222.

It is an a-pointer prime, because the next prime (22262941) can be obtained adding 22262909 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22231225 + 31684 = 4715^2 + 178^2 .

It is a cyclic number.

It is not a de Polignac number, because 22262909 - 2⁴ = 22262893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22262969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11131454 + 11131455.

It is an arithmetic number, because the mean of its divisors is an integer number (11131455).

Almost surely, 2^22262909 is an apocalyptic number.

It is an amenable number.

22262909 is a deficient number, since it is larger than the sum of its proper divisors (1).

22262909 is an equidigital number, since it uses as much as digits as its factorization.

22262909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 22262909 is about 4718.3587188767. The cubic root of 22262909 is about 281.3156999435.

The spelling of 22262909 in words is "twenty-two million, two hundred sixty-two thousand, nine hundred nine".