2242723172 has 6 divisors (see below), whose sum is σ = 3924765558. Its totient is φ = 1121361584.

The previous prime is 2242723157. The next prime is 2242723183. The reversal of 2242723172 is 2713272422.

2242723172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1673137216 + 569585956 = 40904^2 + 23866^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280340393 + ... + 280340400.

It is an arithmetic number, because the mean of its divisors is an integer number (654127593).

Almost surely, 2^2242723172 is an apocalyptic number.

It is an amenable number.

2242723172 is a deficient number, since it is larger than the sum of its proper divisors (1682042386).

2242723172 is a wasteful number, since it uses less digits than its factorization.

2242723172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560680797 (or 560680795 counting only the distinct ones).

The product of its digits is 18816, while the sum is 32.

The square root of 2242723172 is about 47357.3982815779. The cubic root of 2242723172 is about 1308.9565281784.

Adding to 2242723172 its reverse (2713272422), we get a palindrome (4955995594).

The spelling of 2242723172 in words is "two billion, two hundred forty-two million, seven hundred twenty-three thousand, one hundred seventy-two".