4221871772075 has 12 divisors (see below), whose sum is σ = 5262245982648. Its totient is φ = 3359997427200.

The previous prime is 4221871772033. The next prime is 4221871772089. The reversal of 4221871772075 is 5702771781224.

It is not a de Polignac number, because 4221871772075 - 2⁶ = 4221871772011 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437494841 + ... + 437504490.

It is an arithmetic number, because the mean of its divisors is an integer number (438520498554).

Almost surely, 2^{4221871772075} is an apocalyptic number.

4221871772075 is a deficient number, since it is larger than the sum of its proper divisors (1040374210573).

4221871772075 is a wasteful number, since it uses less digits than its factorization.

4221871772075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874999534 (or 874999529 counting only the distinct ones).

The product of its (nonzero) digits is 3073280, while the sum is 53.

The spelling of 4221871772075 in words is "four trillion, two hundred twenty-one billion, eight hundred seventy-one million, seven hundred seventy-two thousand, seventy-five".