2271553461 has 12 divisors (see below), whose sum is σ = 3330105792. Its totient is φ = 1491766056.

The previous prime is 2271553421. The next prime is 2271553477. The reversal of 2271553461 is 1643551722.

It is not a de Polignac number, because 2271553461 - 2¹⁷ = 2271422389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271553421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1882941 + ... + 1884146.

It is an arithmetic number, because the mean of its divisors is an integer number (277508816).

Almost surely, 2^2271553461 is an apocalyptic number.

It is an amenable number.

2271553461 is a deficient number, since it is larger than the sum of its proper divisors (1058552331).

2271553461 is a wasteful number, since it uses less digits than its factorization.

2271553461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3767160 (or 3767157 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2271553461 is about 47660.8168310196. The cubic root of 2271553461 is about 1314.5415589803.

It can be divided in two parts, 22715 and 53461, that added together give a square (76176 = 276²).

The spelling of 2271553461 in words is "two billion, two hundred seventy-one million, five hundred fifty-three thousand, four hundred sixty-one".