22085743 has 2 divisors, whose sum is σ = 22085744. Its totient is φ = 22085742.

The previous prime is 22085731. The next prime is 22085753. The reversal of 22085743 is 34758022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22085743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22085753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11042871 + 11042872.

It is an arithmetic number, because the mean of its divisors is an integer number (11042872).

Almost surely, 2^22085743 is an apocalyptic number.

22085743 is a deficient number, since it is larger than the sum of its proper divisors (1).

22085743 is an equidigital number, since it uses as much as digits as its factorization.

22085743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 22085743 is about 4699.5471058390. The cubic root of 22085743 is about 280.5674842899.

It can be divided in two parts, 220857 and 43, that added together give a square (220900 = 470²).

The spelling of 22085743 in words is "twenty-two million, eighty-five thousand, seven hundred forty-three".