22984447 has 2 divisors, whose sum is σ = 22984448. Its totient is φ = 22984446.

The previous prime is 22984427. The next prime is 22984487. The reversal of 22984447 is 74448922.

It is an a-pointer prime, because the next prime (22984487) can be obtained adding 22984447 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22984447 - 2¹⁵ = 22951679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22984427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11492223 + 11492224.

It is an arithmetic number, because the mean of its divisors is an integer number (11492224).

Almost surely, 2^22984447 is an apocalyptic number.

22984447 is a deficient number, since it is larger than the sum of its proper divisors (1).

22984447 is an equidigital number, since it uses as much as digits as its factorization.

22984447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129024, while the sum is 40.

The square root of 22984447 is about 4794.2097367554. The cubic root of 22984447 is about 284.3225811203.

The spelling of 22984447 in words is "twenty-two million, nine hundred eighty-four thousand, four hundred forty-seven".