2271205465 has 8 divisors (see below), whose sum is σ = 2731285440. Its totient is φ = 1813071792.

The previous prime is 2271205429. The next prime is 2271205513. The reversal of 2271205465 is 5645021722.

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

It is a cyclic number.

It is not a de Polignac number, because 2271205465 - 2⁹ = 2271204953 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2271205465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 484005 + ... + 488674.

It is an arithmetic number, because the mean of its divisors is an integer number (341410680).

Almost surely, 2^2271205465 is an apocalyptic number.

It is an amenable number.

2271205465 is a deficient number, since it is larger than the sum of its proper divisors (460079975).

2271205465 is an equidigital number, since it uses as much as digits as its factorization.

2271205465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973151.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 2271205465 is about 47657.1659354603. The cubic root of 2271205465 is about 1314.4744274519.

The spelling of 2271205465 in words is "two billion, two hundred seventy-one million, two hundred five thousand, four hundred sixty-five".