2271298861 has 16 divisors (see below), whose sum is σ = 2502191104. Its totient is φ = 2048929344.

The previous prime is 2271298849. The next prime is 2271298871. The reversal of 2271298861 is 1688921722.

It is a cyclic number.

It is not a de Polignac number, because 2271298861 - 2¹³ = 2271290669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271298871) 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, 100351 + ... + 120883.

It is an arithmetic number, because the mean of its divisors is an integer number (156386944).

Almost surely, 2^2271298861 is an apocalyptic number.

It is an amenable number.

2271298861 is a deficient number, since it is larger than the sum of its proper divisors (230892243).

2271298861 is a wasteful number, since it uses less digits than its factorization.

2271298861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20740.

The product of its digits is 193536, while the sum is 46.

The square root of 2271298861 is about 47658.1457990132. The cubic root of 2271298861 is about 1314.4924450455.

The spelling of 2271298861 in words is "two billion, two hundred seventy-one million, two hundred ninety-eight thousand, eight hundred sixty-one".