2271388929 has 8 divisors (see below), whose sum is σ = 3048844800. Its totient is φ = 1504096176.

The previous prime is 2271388919. The next prime is 2271388949. The reversal of 2271388929 is 9298831722.

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

It is not a de Polignac number, because 2271388929 - 2¹² = 2271384833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2271388919) 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, 2540257 + ... + 2541150.

It is an arithmetic number, because the mean of its divisors is an integer number (381105600).

Almost surely, 2^2271388929 is an apocalyptic number.

It is an amenable number.

2271388929 is a deficient number, since it is larger than the sum of its proper divisors (777455871).

2271388929 is a wasteful number, since it uses less digits than its factorization.

2271388929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5081559.

The product of its digits is 870912, while the sum is 51.

The square root of 2271388929 is about 47659.0907277930. The cubic root of 2271388929 is about 1314.5098201464.

The spelling of 2271388929 in words is "two billion, two hundred seventy-one million, three hundred eighty-eight thousand, nine hundred twenty-nine".