2272875581 has 2 divisors, whose sum is σ = 2272875582. Its totient is φ = 2272875580.

The previous prime is 2272875547. The next prime is 2272875599. The reversal of 2272875581 is 1855782722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2177715556 + 95160025 = 46666^2 + 9755^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272875581 - 2¹⁰ = 2272874557 is a prime.

It is a super-2 number, since 2×2272875581² = 10331926813412175122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2272875181) 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, 1136437790 + 1136437791.

It is an arithmetic number, because the mean of its divisors is an integer number (1136437791).

Almost surely, 2^2272875581 is an apocalyptic number.

It is an amenable number.

2272875581 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272875581 is an equidigital number, since it uses as much as digits as its factorization.

2272875581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 627200, while the sum is 47.

The square root of 2272875581 is about 47674.6849071916. The cubic root of 2272875581 is about 1314.7965452172.

The spelling of 2272875581 in words is "two billion, two hundred seventy-two million, eight hundred seventy-five thousand, five hundred eighty-one".