22210705 has 8 divisors (see below), whose sum is σ = 29075904. Its totient is φ = 16153200.

The previous prime is 22210681. The next prime is 22210729. The reversal of 22210705 is 50701222.

It is an interprime number because it is at equal distance from previous prime (22210681) and next prime (22210729).

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

It is not a de Polignac number, because 22210705 - 2⁹ = 22210193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201861 + ... + 201970.

It is an arithmetic number, because the mean of its divisors is an integer number (3634488).

Almost surely, 2^22210705 is an apocalyptic number.

It is an amenable number.

22210705 is a deficient number, since it is larger than the sum of its proper divisors (6865199).

22210705 is a wasteful number, since it uses less digits than its factorization.

22210705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403847.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 22210705 is about 4712.8234636999. The cubic root of 22210705 is about 281.0956433668.

Adding to 22210705 its reverse (50701222), we get a palindrome (72911927).

The spelling of 22210705 in words is "twenty-two million, two hundred ten thousand, seven hundred five".