2271512797 has 8 divisors (see below), whose sum is σ = 2325337344. Its totient is φ = 2217733728.

The previous prime is 2271512777. The next prime is 2271512807. The reversal of 2271512797 is 7972151722.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2271512797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271512707) 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, 103188 + ... + 123250.

It is an arithmetic number, because the mean of its divisors is an integer number (290667168).

Almost surely, 2^2271512797 is an apocalyptic number.

It is an amenable number.

2271512797 is a deficient number, since it is larger than the sum of its proper divisors (53824547).

2271512797 is a wasteful number, since it uses less digits than its factorization.

2271512797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22739.

The product of its digits is 123480, while the sum is 43.

The square root of 2271512797 is about 47660.3902313021. The cubic root of 2271512797 is about 1314.5337148862.

The spelling of 2271512797 in words is "two billion, two hundred seventy-one million, five hundred twelve thousand, seven hundred ninety-seven".