22741709 has 2 divisors, whose sum is σ = 22741710. Its totient is φ = 22741708.

The previous prime is 22741703. The next prime is 22741729. The reversal of 22741709 is 90714722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14845609 + 7896100 = 3853^2 + 2810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22741709 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 (22741703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11370854 + 11370855.

It is an arithmetic number, because the mean of its divisors is an integer number (11370855).

Almost surely, 2^22741709 is an apocalyptic number.

It is an amenable number.

22741709 is a deficient number, since it is larger than the sum of its proper divisors (1).

22741709 is an equidigital number, since it uses as much as digits as its factorization.

22741709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 22741709 is about 4768.8267949256. The cubic root of 22741709 is about 283.3181295956.

The spelling of 22741709 in words is "twenty-two million, seven hundred forty-one thousand, seven hundred nine".