2277305 has 4 divisors (see below), whose sum is σ = 2732772. Its totient is φ = 1821840.

The previous prime is 2277287. The next prime is 2277307. The reversal of 2277305 is 5037722.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1585081 + 692224 = 1259^2 + 832^2 .

It is not a de Polignac number, because 2277305 - 2¹² = 2273209 is a prime.

It is a super-2 number, since 2×2277305² = 10372236126050, 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 (2277307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227726 + ... + 227735.

It is an arithmetic number, because the mean of its divisors is an integer number (683193).

2^2277305 is an apocalyptic number.

It is an amenable number.

2277305 is a deficient number, since it is larger than the sum of its proper divisors (455467).

2277305 is an equidigital number, since it uses as much as digits as its factorization.

2277305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455466.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 2277305 is about 1509.0742195134. The cubic root of 2277305 is about 131.5650090358.

The spelling of 2277305 in words is "two million, two hundred seventy-seven thousand, three hundred five".