22809097 has 2 divisors, whose sum is σ = 22809098. Its totient is φ = 22809096.

The previous prime is 22809089. The next prime is 22809107. The reversal of 22809097 is 79090822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22762441 + 46656 = 4771^2 + 216^2 .

It is a cyclic number.

It is not a de Polignac number, because 22809097 - 2³ = 22809089 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22809037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11404548 + 11404549.

It is an arithmetic number, because the mean of its divisors is an integer number (11404549).

Almost surely, 2^22809097 is an apocalyptic number.

It is an amenable number.

22809097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22809097 is an equidigital number, since it uses as much as digits as its factorization.

22809097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 22809097 is about 4775.8870380276. The cubic root of 22809097 is about 283.5976954382.

The spelling of 22809097 in words is "twenty-two million, eight hundred nine thousand, ninety-seven".