2171932238 has 16 divisors (see below), whose sum is σ = 3761699424. Its totient is φ = 921231360.

The previous prime is 2171932229. The next prime is 2171932253. The reversal of 2171932238 is 8322391712.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 798323 + ... + 801038.

It is an arithmetic number, because the mean of its divisors is an integer number (235106214).

Almost surely, 2^2171932238 is an apocalyptic number.

2171932238 is a deficient number, since it is larger than the sum of its proper divisors (1589767186).

2171932238 is a wasteful number, since it uses less digits than its factorization.

2171932238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1599467.

The product of its digits is 36288, while the sum is 38.

The square root of 2171932238 is about 46603.9937988151. The cubic root of 2171932238 is about 1295.0367431921.

The spelling of 2171932238 in words is "two billion, one hundred seventy-one million, nine hundred thirty-two thousand, two hundred thirty-eight".