2277261 has 16 divisors (see below), whose sum is σ = 3856000. Its totient is φ = 1301184.

The previous prime is 2277259. The next prime is 2277287. The reversal of 2277261 is 1627722.

It is not a de Polignac number, because 2277261 - 2¹ = 2277259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2277211) 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 15 ways as a sum of consecutive naturals, for example, 5836 + ... + 6213.

It is an arithmetic number, because the mean of its divisors is an integer number (241000).

2^2277261 is an apocalyptic number.

2277261 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2277261 is a deficient number, since it is larger than the sum of its proper divisors (1578739).

2277261 is a wasteful number, since it uses less digits than its factorization.

2277261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12065 (or 12059 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 2277261 is about 1509.0596409685. The cubic root of 2277261 is about 131.5641617042.

The spelling of 2277261 in words is "two million, two hundred seventy-seven thousand, two hundred sixty-one".