2172323092 has 6 divisors (see below), whose sum is σ = 3801565418. Its totient is φ = 1086161544.

The previous prime is 2172323009. The next prime is 2172323099. The reversal of 2172323092 is 2903232712.

It can be written as a sum of positive squares in only one way, i.e., 1902180996 + 270142096 = 43614^2 + 16436^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172323099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271540383 + ... + 271540390.

Almost surely, 2^2172323092 is an apocalyptic number.

It is an amenable number.

2172323092 is a deficient number, since it is larger than the sum of its proper divisors (1629242326).

2172323092 is a wasteful number, since it uses less digits than its factorization.

2172323092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543080777 (or 543080775 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 2172323092 is about 46608.1869632364. The cubic root of 2172323092 is about 1295.1144220936.

The spelling of 2172323092 in words is "two billion, one hundred seventy-two million, three hundred twenty-three thousand, ninety-two".