22705135 has 8 divisors (see below), whose sum is σ = 27275616. Its totient is φ = 18144480.

The previous prime is 22705129. The next prime is 22705139. The reversal of 22705135 is 53150722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22705135 - 2³ = 22705127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22705139) 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 in 7 ways as a sum of consecutive naturals, for example, 4350 + ... + 8020.

It is an arithmetic number, because the mean of its divisors is an integer number (3409452).

Almost surely, 2^22705135 is an apocalyptic number.

22705135 is a deficient number, since it is larger than the sum of its proper divisors (4570481).

22705135 is a wasteful number, since it uses less digits than its factorization.

22705135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4913.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 22705135 is about 4764.9905561292. The cubic root of 22705135 is about 283.1661674435.

Adding to 22705135 its reverse (53150722), we get a palindrome (75855857).

The spelling of 22705135 in words is "twenty-two million, seven hundred five thousand, one hundred thirty-five".