4224221564081 has 16 divisors (see below), whose sum is σ = 4289442178560. Its totient is φ = 4159305184320.

The previous prime is 4224221564071. The next prime is 4224221564119. The reversal of 4224221564081 is 1804651224224.

It is a cyclic number.

It is not a de Polignac number, because 4224221564081 - 2¹⁴ = 4224221547697 is a prime.

It is a super-2 number, since 2×4224221564081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4224221564071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64902551 + ... + 64967603.

It is an arithmetic number, because the mean of its divisors is an integer number (268090136160).

Almost surely, 2^{4224221564081} is an apocalyptic number.

It is an amenable number.

4224221564081 is a deficient number, since it is larger than the sum of its proper divisors (65220614479).

4224221564081 is a wasteful number, since it uses less digits than its factorization.

4224221564081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67376.

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 4224221564081 in words is "four trillion, two hundred twenty-four billion, two hundred twenty-one million, five hundred sixty-four thousand, eighty-one".