2252172189 has 16 divisors (see below), whose sum is σ = 3257089920. Its totient is φ = 1378659840.

The previous prime is 2252172173. The next prime is 2252172193. The reversal of 2252172189 is 9812712522.

It is not a de Polignac number, because 2252172189 - 2⁴ = 2252172173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252172119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536449 + ... + 540630.

It is an arithmetic number, because the mean of its divisors is an integer number (203568120).

Almost surely, 2^2252172189 is an apocalyptic number.

It is an amenable number.

2252172189 is a deficient number, since it is larger than the sum of its proper divisors (1004917731).

2252172189 is a wasteful number, since it uses less digits than its factorization.

2252172189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077140.

The product of its digits is 40320, while the sum is 39.

The square root of 2252172189 is about 47457.0562614244. The cubic root of 2252172189 is about 1310.7922463379.

The spelling of 2252172189 in words is "two billion, two hundred fifty-two million, one hundred seventy-two thousand, one hundred eighty-nine".