2291580881 has 2 divisors, whose sum is σ = 2291580882. Its totient is φ = 2291580880.

The previous prime is 2291580871. The next prime is 2291580923. The reversal of 2291580881 is 1880851922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1410678481 + 880902400 = 37559^2 + 29680^2 .

It is a cyclic number.

It is not a de Polignac number, because 2291580881 - 2⁶ = 2291580817 is a prime.

It is a super-2 number, since 2×2291580881² = 10502685868329472322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2291580821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145790440 + 1145790441.

It is an arithmetic number, because the mean of its divisors is an integer number (1145790441).

Almost surely, 2^2291580881 is an apocalyptic number.

It is an amenable number.

2291580881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2291580881 is an equidigital number, since it uses as much as digits as its factorization.

2291580881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 92160, while the sum is 44.

The square root of 2291580881 is about 47870.4593773655. The cubic root of 2291580881 is about 1318.3935310310.

The spelling of 2291580881 in words is "two billion, two hundred ninety-one million, five hundred eighty thousand, eight hundred eighty-one".