22064305 has 16 divisors (see below), whose sum is σ = 27175680. Its totient is φ = 17192448.

The previous prime is 22064303. The next prime is 22064311. The reversal of 22064305 is 50346022.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22064305 - 2¹ = 22064303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22064303) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32449 + ... + 33121.

It is an arithmetic number, because the mean of its divisors is an integer number (1698480).

Almost surely, 2^22064305 is an apocalyptic number.

It is an amenable number.

22064305 is a deficient number, since it is larger than the sum of its proper divisors (5111375).

22064305 is an equidigital number, since it uses as much as digits as its factorization.

22064305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 22064305 is about 4697.2656939969. The cubic root of 22064305 is about 280.4766752868.

The spelling of 22064305 in words is "twenty-two million, sixty-four thousand, three hundred five".