2271263272243 has 8 divisors (see below), whose sum is σ = 2619543486560. Its totient is φ = 1928936566080.

The previous prime is 2271263272241. The next prime is 2271263272261. The reversal of 2271263272243 is 3422723621722.

It is a happy number.

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 2271263272243 - 2¹ = 2271263272241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2271263272243.

It is not an unprimeable number, because it can be changed into a prime (2271263272241) 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, 1488376218 + ... + 1488377743.

It is an arithmetic number, because the mean of its divisors is an integer number (327442935820).

Almost surely, 2^{2271263272243} is an apocalyptic number.

2271263272243 is a deficient number, since it is larger than the sum of its proper divisors (348280214317).

2271263272243 is a wasteful number, since it uses less digits than its factorization.

2271263272243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976754077.

The product of its digits is 677376, while the sum is 43.

Adding to 2271263272243 its reverse (3422723621722), we get a palindrome (5693986893965).

The spelling of 2271263272243 in words is "two trillion, two hundred seventy-one billion, two hundred sixty-three million, two hundred seventy-two thousand, two hundred forty-three".