2275138773 has 24 divisors (see below), whose sum is σ = 3446352000. Its totient is φ = 1499702688.

The previous prime is 2275138759. The next prime is 2275138799. The reversal of 2275138773 is 3778315722.

It is a happy number.

It is not a de Polignac number, because 2275138773 - 2¹⁰ = 2275137749 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275138703) 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 in 23 ways as a sum of consecutive naturals, for example, 30973 + ... + 74226.

It is an arithmetic number, because the mean of its divisors is an integer number (143598000).

Almost surely, 2^2275138773 is an apocalyptic number.

It is an amenable number.

2275138773 is a deficient number, since it is larger than the sum of its proper divisors (1171213227).

2275138773 is an equidigital number, since it uses as much as digits as its factorization.

2275138773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105303 (or 105291 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 2275138773 is about 47698.4147849800. The cubic root of 2275138773 is about 1315.2327987368.

It can be divided in two parts, 2275138 and 773, that added together give a triangular number (2275911 = T₂₁₃₃).

The spelling of 2275138773 in words is "two billion, two hundred seventy-five million, one hundred thirty-eight thousand, seven hundred seventy-three".