22664783 has 2 divisors, whose sum is σ = 22664784. Its totient is φ = 22664782.

The previous prime is 22664779. The next prime is 22664797. The reversal of 22664783 is 38746622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22664783 - 2² = 22664779 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 (22664743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11332391 + 11332392.

It is an arithmetic number, because the mean of its divisors is an integer number (11332392).

Almost surely, 2^22664783 is an apocalyptic number.

22664783 is a deficient number, since it is larger than the sum of its proper divisors (1).

22664783 is an equidigital number, since it uses as much as digits as its factorization.

22664783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 38.

The square root of 22664783 is about 4760.7544570162. The cubic root of 22664783 is about 282.9983185273.

The spelling of 22664783 in words is "twenty-two million, six hundred sixty-four thousand, seven hundred eighty-three".