22061705 has 8 divisors (see below), whose sum is σ = 26554632. Its totient is φ = 17595648.

The previous prime is 22061701. The next prime is 22061707. The reversal of 22061705 is 50716022.

It can be written as a sum of positive squares in 4 ways, for example, as 3948169 + 18113536 = 1987^2 + 4256^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22061705 - 2² = 22061701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22061701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4862 + ... + 8231.

It is an arithmetic number, because the mean of its divisors is an integer number (3319329).

Almost surely, 2^22061705 is an apocalyptic number.

It is an amenable number.

22061705 is a deficient number, since it is larger than the sum of its proper divisors (4492927).

22061705 is a wasteful number, since it uses less digits than its factorization.

22061705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13435.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 22061705 is about 4696.9889290906. The cubic root of 22061705 is about 280.4656579747.

Adding to 22061705 its reverse (50716022), we get a palindrome (72777727).

The spelling of 22061705 in words is "twenty-two million, sixty-one thousand, seven hundred five".