2271180973 has 2 divisors, whose sum is σ = 2271180974. Its totient is φ = 2271180972.

The previous prime is 2271180949. The next prime is 2271180983. The reversal of 2271180973 is 3790811722.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1819278409 + 451902564 = 42653^2 + 21258^2 .

It is a cyclic number.

It is not a de Polignac number, because 2271180973 - 2²¹ = 2269083821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2271180913) by changing a digit.

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 as a sum of consecutive naturals, namely, 1135590486 + 1135590487.

It is an arithmetic number, because the mean of its divisors is an integer number (1135590487).

Almost surely, 2^2271180973 is an apocalyptic number.

It is an amenable number.

2271180973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271180973 is an equidigital number, since it uses as much as digits as its factorization.

2271180973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 2271180973 is about 47656.9089744604. The cubic root of 2271180973 is about 1314.4697024687.

It can be divided in two parts, 22711 and 80973, that added together give a square (103684 = 322²).

The spelling of 2271180973 in words is "two billion, two hundred seventy-one million, one hundred eighty thousand, nine hundred seventy-three".