2271800947 has 8 divisors (see below), whose sum is σ = 2451035216. Its totient is φ = 2093206752.

The previous prime is 2271800903. The next prime is 2271800969. The reversal of 2271800947 is 7490081722.

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

It is not a de Polignac number, because 2271800947 - 2¹⁵ = 2271768179 is a prime.

It is a super-2 number, since 2×2271800947² = 10322159085580193618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2271804947) 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, 152628 + ... + 166849.

It is an arithmetic number, because the mean of its divisors is an integer number (306379402).

Almost surely, 2^2271800947 is an apocalyptic number.

2271800947 is a deficient number, since it is larger than the sum of its proper divisors (179234269).

2271800947 is a wasteful number, since it uses less digits than its factorization.

2271800947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320037.

The product of its (nonzero) digits is 56448, while the sum is 40.

The square root of 2271800947 is about 47663.4130859300. The cubic root of 2271800947 is about 1314.5892970625.

The spelling of 2271800947 in words is "two billion, two hundred seventy-one million, eight hundred thousand, nine hundred forty-seven".