22661705 has 8 divisors (see below), whose sum is σ = 29666304. Its totient is φ = 16481200.

The previous prime is 22661677. The next prime is 22661707. The reversal of 22661705 is 50716622.

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

It is not a de Polignac number, because 22661705 - 2⁶ = 22661641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22661707) 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, 205961 + ... + 206070.

It is an arithmetic number, because the mean of its divisors is an integer number (3708288).

Almost surely, 2^22661705 is an apocalyptic number.

It is an amenable number.

22661705 is a deficient number, since it is larger than the sum of its proper divisors (7004599).

22661705 is a wasteful number, since it uses less digits than its factorization.

22661705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412047.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 22661705 is about 4760.4311779502. The cubic root of 22661705 is about 282.9855070471.

The spelling of 22661705 in words is "twenty-two million, six hundred sixty-one thousand, seven hundred five".