2273405 has 8 divisors (see below), whose sum is σ = 2741472. Its totient is φ = 1809808.

The previous prime is 2273399. The next prime is 2273431. The reversal of 2273405 is 5043722.

2273405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2273405 is a prime.

It is a d-powerful number, because it can be written as 2¹² + 2²⁰ + 7⁷ + 3⁸ + 4 + 0 + 5⁸ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 134 + ... + 2136.

It is an arithmetic number, because the mean of its divisors is an integer number (342684).

2^2273405 is an apocalyptic number.

It is an amenable number.

2273405 is a deficient number, since it is larger than the sum of its proper divisors (468067).

2273405 is a wasteful number, since it uses less digits than its factorization.

2273405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2235.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2273405 is about 1507.7814828416. The cubic root of 2273405 is about 131.4898622110.

The spelling of 2273405 in words is "two million, two hundred seventy-three thousand, four hundred five".