4922221587491 has 32 divisors (see below), whose sum is σ = 5807665604160. Its totient is φ = 4127824318464.

The previous prime is 4922221587391. The next prime is 4922221587499. The reversal of 4922221587491 is 1947851222294.

4922221587491 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4922221587491 - 2¹⁴ = 4922221571107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4922221587499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26009576 + ... + 26198138.

It is an arithmetic number, because the mean of its divisors is an integer number (181489550130).

Almost surely, 2^{4922221587491} is an apocalyptic number.

4922221587491 is a deficient number, since it is larger than the sum of its proper divisors (885444016669).

4922221587491 is a wasteful number, since it uses less digits than its factorization.

4922221587491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192695.

The product of its digits is 5806080, while the sum is 56.

The spelling of 4922221587491 in words is "four trillion, nine hundred twenty-two billion, two hundred twenty-one million, five hundred eighty-seven thousand, four hundred ninety-one".