2173878422 has 16 divisors (see below), whose sum is σ = 3331918800. Its totient is φ = 1063357152.

The previous prime is 2173878403. The next prime is 2173878479. The reversal of 2173878422 is 2248783712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7613 + ... + 66375.

It is an arithmetic number, because the mean of its divisors is an integer number (208244925).

Almost surely, 2^2173878422 is an apocalyptic number.

2173878422 is a deficient number, since it is larger than the sum of its proper divisors (1158040378).

2173878422 is a wasteful number, since it uses less digits than its factorization.

2173878422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59167.

The product of its digits is 301056, while the sum is 44.

The square root of 2173878422 is about 46624.8691365456. The cubic root of 2173878422 is about 1295.4234383990.

The spelling of 2173878422 in words is "two billion, one hundred seventy-three million, eight hundred seventy-eight thousand, four hundred twenty-two".