22084705 has 8 divisors (see below), whose sum is σ = 26529192. Its totient is φ = 17649408.

The previous prime is 22084639. The next prime is 22084753. The reversal of 22084705 is 50748022.

It can be written as a sum of positive squares in 4 ways, for example, as 13417569 + 8667136 = 3663^2 + 2944^2 .

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 22084705 - 2¹¹ = 22082657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5257 + ... + 8473.

It is an arithmetic number, because the mean of its divisors is an integer number (3316149).

Almost surely, 2^22084705 is an apocalyptic number.

It is an amenable number.

22084705 is a deficient number, since it is larger than the sum of its proper divisors (4444487).

22084705 is a wasteful number, since it uses less digits than its factorization.

22084705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 22084705 is about 4699.4366683678. The cubic root of 22084705 is about 280.5630887904.

The spelling of 22084705 in words is "twenty-two million, eighty-four thousand, seven hundred five".