2271272399 has 4 divisors (see below), whose sum is σ = 2477751720. Its totient is φ = 2064793080.

The previous prime is 2271272387. The next prime is 2271272401. The reversal of 2271272399 is 9932721722.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2271272399 - 2⁴ = 2271272383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271272309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103239644 + ... + 103239665.

It is an arithmetic number, because the mean of its divisors is an integer number (619437930).

Almost surely, 2^2271272399 is an apocalyptic number.

2271272399 is a deficient number, since it is larger than the sum of its proper divisors (206479321).

2271272399 is a wasteful number, since it uses less digits than its factorization.

2271272399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206479320.

The product of its digits is 190512, while the sum is 44.

The square root of 2271272399 is about 47657.8681751503. The cubic root of 2271272399 is about 1314.4873401494.

The spelling of 2271272399 in words is "two billion, two hundred seventy-one million, two hundred seventy-two thousand, three hundred ninety-nine".