2281755805 has 24 divisors (see below), whose sum is σ = 3187424952. Its totient is φ = 1563512832.

The previous prime is 2281755797. The next prime is 2281755811. The reversal of 2281755805 is 5085571822.

It can be written as a sum of positive squares in 4 ways, for example, as 1020227481 + 1261528324 = 31941^2 + 35518^2 .

It is not a de Polignac number, because 2281755805 - 2³ = 2281755797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 485949 + ... + 490621.

It is an arithmetic number, because the mean of its divisors is an integer number (132809373).

Almost surely, 2^2281755805 is an apocalyptic number.

It is an amenable number.

2281755805 is a deficient number, since it is larger than the sum of its proper divisors (905669147).

2281755805 is a wasteful number, since it uses less digits than its factorization.

2281755805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685 (or 6678 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 43.

The square root of 2281755805 is about 47767.7276516269. The cubic root of 2281755805 is about 1316.5066424828.

The spelling of 2281755805 in words is "two billion, two hundred eighty-one million, seven hundred fifty-five thousand, eight hundred five".