22705065 has 24 divisors (see below), whose sum is σ = 39836160. Its totient is φ = 11961504.

The previous prime is 22705063. The next prime is 22705069. The reversal of 22705065 is 56050722.

It is not a de Polignac number, because 22705065 - 2¹ = 22705063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22705061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 696 + ... + 6774.

It is an arithmetic number, because the mean of its divisors is an integer number (1659840).

Almost surely, 2^22705065 is an apocalyptic number.

It is an amenable number.

22705065 is a deficient number, since it is larger than the sum of its proper divisors (17131095).

22705065 is a wasteful number, since it uses less digits than its factorization.

22705065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6173 (or 6170 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 22705065 is about 4764.9832108833. The cubic root of 22705065 is about 283.1658764425.

Adding to 22705065 its reverse (56050722), we get a palindrome (78755787).

The spelling of 22705065 in words is "twenty-two million, seven hundred five thousand, sixty-five".