2274845211081 has 27 divisors (see below), whose sum is σ = 3300678735757. Its totient is φ = 1509767259000.

The previous prime is 2274845211053. The next prime is 2274845211097. The reversal of 2274845211081 is 1801125484722.

The square root of 2274845211081 is 1508259.

It is a perfect power (a square), and thus also a powerful number.

2274845211081 is a `hidden beast` number, since 2 + 2 + 7 + 4 + 8 + 452 + 110 + 81 = 666.

2274845211081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2274845211081 - 2⁵ = 2274845211049 is a prime.

It is a super-3 number, since 3×2274845211081³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2274845211781) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1135718026 + ... + 1135720028.

Almost surely, 2^{2274845211081} is an apocalyptic number.

2274845211081 is the 1508259-th square number.

2274845211081 is the 754130-th centered octagonal number.

It is an amenable number.

2274845211081 is a deficient number, since it is larger than the sum of its proper divisors (1025833524676).

2274845211081 is an frugal number, since it uses more digits than its factorization.

2274845211081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4514 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The spelling of 2274845211081 in words is "two trillion, two hundred seventy-four billion, eight hundred forty-five million, two hundred eleven thousand, eighty-one".