2272558161 has 8 divisors (see below), whose sum is σ = 3068433280. Its totient is φ = 1495860912.

The previous prime is 2272558159. The next prime is 2272558163. The reversal of 2272558161 is 1618552722.

2272558161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2272558159) and next prime (2272558163).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2272558161 - 2¹ = 2272558159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2272558163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4794190 + ... + 4794663.

It is an arithmetic number, because the mean of its divisors is an integer number (383554160).

Almost surely, 2^2272558161 is an apocalyptic number.

It is an amenable number.

2272558161 is a deficient number, since it is larger than the sum of its proper divisors (795875119).

2272558161 is an equidigital number, since it uses as much as digits as its factorization.

2272558161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9588935.

The product of its digits is 67200, while the sum is 39.

The square root of 2272558161 is about 47671.3557705253. The cubic root of 2272558161 is about 1314.7353360963.

The spelling of 2272558161 in words is "two billion, two hundred seventy-two million, five hundred fifty-eight thousand, one hundred sixty-one".