2278469 has 8 divisors (see below), whose sum is σ = 2389248. Its totient is φ = 2170080.

The previous prime is 2278453. The next prime is 2278477. The reversal of 2278469 is 9648722.

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 2278469 - 2⁴ = 2278453 is a prime.

It is a super-3 number, since 3×2278469³ = 35485475333713907127, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1529 + ... + 2625.

It is an arithmetic number, because the mean of its divisors is an integer number (298656).

2^2278469 is an apocalyptic number.

It is an amenable number.

2278469 is a deficient number, since it is larger than the sum of its proper divisors (110779).

2278469 is a wasteful number, since it uses less digits than its factorization.

2278469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195.

The product of its digits is 48384, while the sum is 38.

The square root of 2278469 is about 1509.4598371603. The cubic root of 2278469 is about 131.5874208466.

The spelling of 2278469 in words is "two million, two hundred seventy-eight thousand, four hundred sixty-nine".