3999422170 has 16 divisors (see below), whose sum is σ = 7207851168. Its totient is φ = 1597793040.

The previous prime is 3999422149. The next prime is 3999422171. The reversal of 3999422170 is 712249993.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 3999422170.

It is not an unprimeable number, because it can be changed into a prime (3999422171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238464 + ... + 254683.

It is an arithmetic number, because the mean of its divisors is an integer number (450490698).

Almost surely, 2^3999422170 is an apocalyptic number.

3999422170 is a deficient number, since it is larger than the sum of its proper divisors (3208428998).

3999422170 is a wasteful number, since it uses less digits than its factorization.

3999422170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493965.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 3999422170 is about 63240.9848911289. The cubic root of 3999422170 is about 1587.3246109581.

The spelling of 3999422170 in words is "three billion, nine hundred ninety-nine million, four hundred twenty-two thousand, one hundred seventy".