22696397 has 2 divisors, whose sum is σ = 22696398. Its totient is φ = 22696396.

The previous prime is 22696369. The next prime is 22696403. The reversal of 22696397 is 79369622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11600836 + 11095561 = 3406^2 + 3331^2 .

It is a cyclic number.

It is not a de Polignac number, because 22696397 - 2¹⁰ = 22695373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22696327) 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, 11348198 + 11348199.

It is an arithmetic number, because the mean of its divisors is an integer number (11348199).

Almost surely, 2^22696397 is an apocalyptic number.

It is an amenable number.

22696397 is a deficient number, since it is larger than the sum of its proper divisors (1).

22696397 is an equidigital number, since it uses as much as digits as its factorization.

22696397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 244944, while the sum is 44.

The square root of 22696397 is about 4764.0735720599. The cubic root of 22696397 is about 283.1298375788.

The spelling of 22696397 in words is "twenty-two million, six hundred ninety-six thousand, three hundred ninety-seven".