2274845 has 4 divisors (see below), whose sum is σ = 2729820. Its totient is φ = 1819872.

The previous prime is 2274841. The next prime is 2274859. The reversal of 2274845 is 5484722.

2274845 = 1066² + 1067².

2274845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5484722 = 2 ⋅2742361.

It can be written as a sum of positive squares in 2 ways, for example, as 1138489 + 1136356 = 1067^2 + 1066^2 .

It is a cyclic number.

It is not a de Polignac number, because 2274845 - 2² = 2274841 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2274841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 227480 + ... + 227489.

It is an arithmetic number, because the mean of its divisors is an integer number (682455).

2^2274845 is an apocalyptic number.

2274845 is the 1067-th centered square number.

It is an amenable number.

2274845 is a deficient number, since it is larger than the sum of its proper divisors (454975).

2274845 is an equidigital number, since it uses as much as digits as its factorization.

2274845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454974.

The product of its digits is 17920, while the sum is 32.

The square root of 2274845 is about 1508.2589300249. The cubic root of 2274845 is about 131.5176187316.

The spelling of 2274845 in words is "two million, two hundred seventy-four thousand, eight hundred forty-five".