22064018005721 has 8 divisors (see below), whose sum is σ = 22076347601280. Its totient is φ = 22051690990992.

The previous prime is 22064018005699. The next prime is 22064018005823. The reversal of 22064018005721 is 12750081046022.

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 22064018005721 - 2¹⁴ = 22064017989337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22064018002721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16586306 + ... + 17867108.

It is an arithmetic number, because the mean of its divisors is an integer number (2759543450160).

Almost surely, 2^{22064018005721} is an apocalyptic number.

It is an amenable number.

22064018005721 is a deficient number, since it is larger than the sum of its proper divisors (12329595559).

22064018005721 is a wasteful number, since it uses less digits than its factorization.

22064018005721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290415.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 22064018005721 in words is "twenty-two trillion, sixty-four billion, eighteen million, five thousand, seven hundred twenty-one".