22204697 has 2 divisors, whose sum is σ = 22204698. Its totient is φ = 22204696.

The previous prime is 22204681. The next prime is 22204751. The reversal of 22204697 is 79640222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15335056 + 6869641 = 3916^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 22204697 - 2⁴ = 22204681 is a prime.

It is not a weakly prime, because it can be changed into another prime (22204997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11102348 + 11102349.

It is an arithmetic number, because the mean of its divisors is an integer number (11102349).

Almost surely, 2^22204697 is an apocalyptic number.

It is an amenable number.

22204697 is a deficient number, since it is larger than the sum of its proper divisors (1).

22204697 is an equidigital number, since it uses as much as digits as its factorization.

22204697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 22204697 is about 4712.1860107598. The cubic root of 22204697 is about 281.0702956058.

The spelling of 22204697 in words is "twenty-two million, two hundred four thousand, six hundred ninety-seven".