2173472233 has 4 divisors (see below), whose sum is σ = 2174185348. Its totient is φ = 2172759120.

The previous prime is 2173472209. The next prime is 2173472269. The reversal of 2173472233 is 3322743712.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2126316544 + 47155689 = 46112^2 + 6867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2173472233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2173472333) 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, 351966 + ... + 358087.

It is an arithmetic number, because the mean of its divisors is an integer number (543546337).

Almost surely, 2^2173472233 is an apocalyptic number.

It is an amenable number.

2173472233 is a deficient number, since it is larger than the sum of its proper divisors (713115).

2173472233 is an equidigital number, since it uses as much as digits as its factorization.

2173472233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713114.

The product of its digits is 42336, while the sum is 34.

The square root of 2173472233 is about 46620.5130066154. The cubic root of 2173472233 is about 1295.3427501198.

The spelling of 2173472233 in words is "two billion, one hundred seventy-three million, four hundred seventy-two thousand, two hundred thirty-three".