22731743 has 2 divisors, whose sum is σ = 22731744. Its totient is φ = 22731742.

The previous prime is 22731721. The next prime is 22731763. The reversal of 22731743 is 34713722.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22731743 - 2¹² = 22727647 is a prime.

It is a Sophie Germain 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 (22731763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11365871 + 11365872.

It is an arithmetic number, because the mean of its divisors is an integer number (11365872).

Almost surely, 2^22731743 is an apocalyptic number.

22731743 is a deficient number, since it is larger than the sum of its proper divisors (1).

22731743 is an equidigital number, since it uses as much as digits as its factorization.

22731743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056, while the sum is 29.

The square root of 22731743 is about 4767.7817693347. The cubic root of 22731743 is about 283.2767377924.

The spelling of 22731743 in words is "twenty-two million, seven hundred thirty-one thousand, seven hundred forty-three".