2272166043 has 16 divisors (see below), whose sum is σ = 3472167936. Its totient is φ = 1294698240.

The previous prime is 2272166027. The next prime is 2272166077. The reversal of 2272166043 is 3406612722.

It is not a de Polignac number, because 2272166043 - 2⁴ = 2272166027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2272165995 and 2272166013.

It is not an unprimeable number, because it can be changed into a prime (2272161043) 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, 145843 + ... + 160668.

It is an arithmetic number, because the mean of its divisors is an integer number (217010496).

Almost surely, 2^2272166043 is an apocalyptic number.

2272166043 is a deficient number, since it is larger than the sum of its proper divisors (1200001893).

2272166043 is a wasteful number, since it uses less digits than its factorization.

2272166043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306874.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 2272166043 is about 47667.2428718087. The cubic root of 2272166043 is about 1314.6597148495.

Adding to 2272166043 its reverse (3406612722), we get a palindrome (5678778765).

The spelling of 2272166043 in words is "two billion, two hundred seventy-two million, one hundred sixty-six thousand, forty-three".