944220937171 has 4 divisors (see below), whose sum is σ = 944390492200. Its totient is φ = 944051382144.

The previous prime is 944220937159. The next prime is 944220937199. The reversal of 944220937171 is 171739022449.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171739022449 = 1193 ⋅143955593.

It is a cyclic number.

It is not a de Polignac number, because 944220937171 - 2⁷ = 944220937043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (944220937151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84769161 + ... + 84780298.

It is an arithmetic number, because the mean of its divisors is an integer number (236097623050).

Almost surely, 2^944220937171 is an apocalyptic number.

944220937171 is a deficient number, since it is larger than the sum of its proper divisors (169555029).

944220937171 is a wasteful number, since it uses less digits than its factorization.

944220937171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169555028.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 944220937171 in words is "nine hundred forty-four billion, two hundred twenty million, nine hundred thirty-seven thousand, one hundred seventy-one".