2275122761 has 4 divisors (see below), whose sum is σ = 2353575300. Its totient is φ = 2196670224.

The previous prime is 2275122743. The next prime is 2275122769. The reversal of 2275122761 is 1672215722.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1672215722 = 2 ⋅836107861.

It can be written as a sum of positive squares in 2 ways, for example, as 1062760000 + 1212362761 = 32600^2 + 34819^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2275122761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2275122769) 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 in 3 ways as a sum of consecutive naturals, for example, 39226226 + ... + 39226283.

It is an arithmetic number, because the mean of its divisors is an integer number (588393825).

Almost surely, 2^2275122761 is an apocalyptic number.

It is an amenable number.

2275122761 is a deficient number, since it is larger than the sum of its proper divisors (78452539).

2275122761 is an equidigital number, since it uses as much as digits as its factorization.

2275122761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78452538.

The product of its digits is 23520, while the sum is 35.

The square root of 2275122761 is about 47698.2469384358. The cubic root of 2275122761 is about 1315.2297132757.

The spelling of 2275122761 in words is "two billion, two hundred seventy-five million, one hundred twenty-two thousand, seven hundred sixty-one".