22369397 has 2 divisors, whose sum is σ = 22369398. Its totient is φ = 22369396.

The previous prime is 22369393. The next prime is 22369421. The reversal of 22369397 is 79396322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19838116 + 2531281 = 4454^2 + 1591^2 .

It is a cyclic number.

It is not a de Polignac number, because 22369397 - 2² = 22369393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22369393) 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, 11184698 + 11184699.

It is an arithmetic number, because the mean of its divisors is an integer number (11184699).

Almost surely, 2^22369397 is an apocalyptic number.

It is an amenable number.

22369397 is a deficient number, since it is larger than the sum of its proper divisors (1).

22369397 is an equidigital number, since it uses as much as digits as its factorization.

22369397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122472, while the sum is 41.

The square root of 22369397 is about 4729.6296895212. The cubic root of 22369397 is about 281.7635166793.

The spelling of 22369397 in words is "twenty-two million, three hundred sixty-nine thousand, three hundred ninety-seven".