2277081 has 9 divisors (see below), whose sum is σ = 3295669. Its totient is φ = 1515036.

The previous prime is 2277071. The next prime is 2277083. The reversal of 2277081 is 1807722.

The square root of 2277081 is 1509.

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

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2277081 - 2¹⁷ = 2146009 is a prime.

It is a super-2 number, since 2×2277081² = 10370195761122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2277083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4276 + ... + 4778.

2^2277081 is an apocalyptic number.

2277081 is the 1509-th square number.

2277081 is the 755-th centered octagonal number.

It is an amenable number.

2277081 is a deficient number, since it is larger than the sum of its proper divisors (1018588).

2277081 is an frugal number, since it uses more digits than its factorization.

2277081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 506 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The cubic root of 2277081 is about 131.5606952339.

The spelling of 2277081 in words is "two million, two hundred seventy-seven thousand, eighty-one".