2271641436 has 60 divisors (see below), whose sum is σ = 6130111680. Its totient is φ = 732784320.

The previous prime is 2271641401. The next prime is 2271641441. The reversal of 2271641436 is 6341461722.

2271641436 is a `hidden beast` number, since 2 + 2 + 7 + 1 + 641 + 4 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2271641436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 103041 + ... + 123128.

It is an arithmetic number, because the mean of its divisors is an integer number (102168528).

Almost surely, 2^2271641436 is an apocalyptic number.

It is an amenable number.

2271641436 is an abundant number, since it is smaller than the sum of its proper divisors (3858470244).

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

2271641436 is a wasteful number, since it uses less digits than its factorization.

2271641436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226216 (or 226205 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 2271641436 is about 47661.7397500343. The cubic root of 2271641436 is about 1314.5585290557.

The spelling of 2271641436 in words is "two billion, two hundred seventy-one million, six hundred forty-one thousand, four hundred thirty-six".