2278367 has 8 divisors (see below), whose sum is σ = 2804256. Its totient is φ = 1802592.

The previous prime is 2278361. The next prime is 2278379. The reversal of 2278367 is 7638722.

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

It is a cyclic number.

It is not a de Polignac number, because 2278367 - 2⁶ = 2278303 is a prime.

It is a d-powerful number, because it can be written as 2¹⁰ + 2¹⁶ + 7³ + 8² + 3¹² + 6⁸ + 7³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278361) 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 7 ways as a sum of consecutive naturals, for example, 12428 + ... + 12609.

It is an arithmetic number, because the mean of its divisors is an integer number (350532).

2^2278367 is an apocalyptic number.

2278367 is a deficient number, since it is larger than the sum of its proper divisors (525889).

2278367 is a wasteful number, since it uses less digits than its factorization.

2278367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25057.

The product of its digits is 28224, while the sum is 35.

The square root of 2278367 is about 1509.4260498613. The cubic root of 2278367 is about 131.5854572302.

The spelling of 2278367 in words is "two million, two hundred seventy-eight thousand, three hundred sixty-seven".