2172444254 has 16 divisors (see below), whose sum is σ = 3438560160. Its totient is φ = 1027319040.

The previous prime is 2172444227. The next prime is 2172444289. The reversal of 2172444254 is 4524442712.

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, 261227 + ... + 269414.

It is an arithmetic number, because the mean of its divisors is an integer number (214910010).

Almost surely, 2^2172444254 is an apocalyptic number.

2172444254 is a deficient number, since it is larger than the sum of its proper divisors (1266115906).

2172444254 is a wasteful number, since it uses less digits than its factorization.

2172444254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530755.

The product of its digits is 71680, while the sum is 35.

The square root of 2172444254 is about 46609.4867382167. The cubic root of 2172444254 is about 1295.1385001166.

Adding to 2172444254 its reverse (4524442712), we get a palindrome (6696886966).

The spelling of 2172444254 in words is "two billion, one hundred seventy-two million, four hundred forty-four thousand, two hundred fifty-four".