22644383 has 2 divisors, whose sum is σ = 22644384. Its totient is φ = 22644382.

The previous prime is 22644379. The next prime is 22644421. The reversal of 22644383 is 38344622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22644383 - 2² = 22644379 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22644313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11322191 + 11322192.

It is an arithmetic number, because the mean of its divisors is an integer number (11322192).

Almost surely, 2^22644383 is an apocalyptic number.

22644383 is a deficient number, since it is larger than the sum of its proper divisors (1).

22644383 is an equidigital number, since it uses as much as digits as its factorization.

22644383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 32.

The square root of 22644383 is about 4758.6114571375. The cubic root of 22644383 is about 282.9133864889.

The spelling of 22644383 in words is "twenty-two million, six hundred forty-four thousand, three hundred eighty-three".