22224743 has 2 divisors, whose sum is σ = 22224744. Its totient is φ = 22224742.

The previous prime is 22224721. The next prime is 22224757. The reversal of 22224743 is 34742222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22224743 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 (22224793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112371 + 11112372.

It is an arithmetic number, because the mean of its divisors is an integer number (11112372).

Almost surely, 2^22224743 is an apocalyptic number.

22224743 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224743 is an equidigital number, since it uses as much as digits as its factorization.

22224743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 26.

The square root of 22224743 is about 4714.3125691876. The cubic root of 22224743 is about 281.1548518969.

Adding to 22224743 its reverse (34742222), we get a palindrome (56966965).

The spelling of 22224743 in words is "twenty-two million, two hundred twenty-four thousand, seven hundred forty-three".