21224566001 has 8 divisors (see below), whose sum is σ = 21424592640. Its totient is φ = 21024636048.

The previous prime is 21224565983. The next prime is 21224566019. The reversal of 21224566001 is 10066542212.

It is an interprime number because it is at equal distance from previous prime (21224565983) and next prime (21224566019).

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 21224566001 - 2¹⁴ = 21224549617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21224566031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462830 + ... + 506616.

It is an arithmetic number, because the mean of its divisors is an integer number (2678074080).

Almost surely, 2^21224566001 is an apocalyptic number.

It is an amenable number.

21224566001 is a deficient number, since it is larger than the sum of its proper divisors (200026639).

21224566001 is a wasteful number, since it uses less digits than its factorization.

21224566001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48343.

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 21224566001 in words is "twenty-one billion, two hundred twenty-four million, five hundred sixty-six thousand, one".