221422005015673 has 64 divisors (see below), whose sum is σ = 296084037242880. Its totient is φ = 160364509344000.

The previous prime is 221422005015671. The next prime is 221422005015677. The reversal of 221422005015673 is 376510500224122.

It is a cyclic number.

It is not a de Polignac number, because 221422005015673 - 2¹ = 221422005015671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221422005015671) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2240905236 + ... + 2241004042.

It is an arithmetic number, because the mean of its divisors is an integer number (4626313081920).

Almost surely, 2^{221422005015673} is an apocalyptic number.

It is an amenable number.

221422005015673 is a deficient number, since it is larger than the sum of its proper divisors (74662032227207).

221422005015673 is a wasteful number, since it uses less digits than its factorization.

221422005015673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127798.

The product of its (nonzero) digits is 201600, while the sum is 40.

Adding to 221422005015673 its reverse (376510500224122), we get a palindrome (597932505239795).

The spelling of 221422005015673 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, five million, fifteen thousand, six hundred seventy-three".