2271558345 has 16 divisors (see below), whose sum is σ = 4153706880. Its totient is φ = 1038426624.

The previous prime is 2271558329. The next prime is 2271558379. The reversal of 2271558345 is 5438551722.

2271558345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2271558345 - 2⁴ = 2271558329 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2271558297 and 2271558306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10816840 + ... + 10817049.

It is an arithmetic number, because the mean of its divisors is an integer number (259606680).

Almost surely, 2^2271558345 is an apocalyptic number.

It is an amenable number.

2271558345 is a deficient number, since it is larger than the sum of its proper divisors (1882148535).

2271558345 is a wasteful number, since it uses less digits than its factorization.

2271558345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21633904.

The product of its digits is 336000, while the sum is 42.

The square root of 2271558345 is about 47660.8680680493. The cubic root of 2271558345 is about 1314.5425010986.

The spelling of 2271558345 in words is "two billion, two hundred seventy-one million, five hundred fifty-eight thousand, three hundred forty-five".