2272131887 has 8 divisors (see below), whose sum is σ = 2355500160. Its totient is φ = 2189393280.

The previous prime is 2272131871. The next prime is 2272131941. The reversal of 2272131887 is 7881312722.

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

It is a cyclic number.

It is not a de Polignac number, because 2272131887 - 2⁴ = 2272131871 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 (2272131287) 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, 150062 + ... + 164507.

It is an arithmetic number, because the mean of its divisors is an integer number (294437520).

Almost surely, 2^2272131887 is an apocalyptic number.

2272131887 is a deficient number, since it is larger than the sum of its proper divisors (83368273).

2272131887 is a wasteful number, since it uses less digits than its factorization.

2272131887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314833.

The product of its digits is 75264, while the sum is 41.

The square root of 2272131887 is about 47666.8845950729. The cubic root of 2272131887 is about 1314.6531273406.

The spelling of 2272131887 in words is "two billion, two hundred seventy-two million, one hundred thirty-one thousand, eight hundred eighty-seven".