22736743 has 2 divisors, whose sum is σ = 22736744. Its totient is φ = 22736742.

The previous prime is 22736729. The next prime is 22736773. The reversal of 22736743 is 34763722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22736743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22736699 and 22736708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22736773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11368371 + 11368372.

It is an arithmetic number, because the mean of its divisors is an integer number (11368372).

Almost surely, 2^22736743 is an apocalyptic number.

22736743 is a deficient number, since it is larger than the sum of its proper divisors (1).

22736743 is an equidigital number, since it uses as much as digits as its factorization.

22736743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 34.

The square root of 22736743 is about 4768.3060933627. The cubic root of 22736743 is about 283.2975058120.

The spelling of 22736743 in words is "twenty-two million, seven hundred thirty-six thousand, seven hundred forty-three".