2278335 has 16 divisors (see below), whose sum is σ = 3701376. Its totient is φ = 1196448.

The previous prime is 2278313. The next prime is 2278343. The reversal of 2278335 is 5338722.

It is not a de Polignac number, because 2278335 - 2⁵ = 2278303 is a prime.

2278335 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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, 129 + ... + 2138.

It is an arithmetic number, because the mean of its divisors is an integer number (231336).

2^2278335 is an apocalyptic number.

2278335 is a deficient number, since it is larger than the sum of its proper divisors (1423041).

2278335 is a wasteful number, since it uses less digits than its factorization.

2278335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342.

The product of its digits is 10080, while the sum is 30.

The square root of 2278335 is about 1509.4154497686. The cubic root of 2278335 is about 131.5848411816.

The spelling of 2278335 in words is "two million, two hundred seventy-eight thousand, three hundred thirty-five".