2271956036 has 12 divisors (see below), whose sum is σ = 4543912128. Its totient is φ = 973695432.

The previous prime is 2271956017. The next prime is 2271956039. The reversal of 2271956036 is 6306591722.

2271956036 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2271955984 and 2271956002.

It is not an unprimeable number, because it can be changed into a prime (2271956039) 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, 40570616 + ... + 40570671.

It is an arithmetic number, because the mean of its divisors is an integer number (378659344).

Almost surely, 2^2271956036 is an apocalyptic number.

It is an amenable number.

2271956036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2271956036 is a wasteful number, since it uses less digits than its factorization.

2271956036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81141298 (or 81141296 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 2271956036 is about 47665.0399769055. The cubic root of 2271956036 is about 1314.6192107309.

The spelling of 2271956036 in words is "two billion, two hundred seventy-one million, nine hundred fifty-six thousand, thirty-six".