2271919232 has 72 divisors (see below), whose sum is σ = 4987980795. Its totient is φ = 1029994240.

The previous prime is 2271919207. The next prime is 2271919241. The reversal of 2271919232 is 2329191722.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1135959616 + 1135959616 = 33704^2 + 33704^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33704.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5931713 + ... + 5932095.

Almost surely, 2^2271919232 is an apocalyptic number.

2271919232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2271919232

2271919232 is an abundant number, since it is smaller than the sum of its proper divisors (2716061563).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2271919232 is an frugal number, since it uses more digits than its factorization.

2271919232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802 (or 396 counting only the distinct ones).

The product of its digits is 27216, while the sum is 38.

The square root of 2271919232 is about 47664.6539062228. The cubic root of 2271919232 is about 1314.6121120744.

The spelling of 2271919232 in words is "two billion, two hundred seventy-one million, nine hundred nineteen thousand, two hundred thirty-two".