2278353 has 24 divisors (see below), whose sum is σ = 3857760. Its totient is φ = 1182720.

The previous prime is 2278343. The next prime is 2278361. The reversal of 2278353 is 3538722.

It is not a de Polignac number, because 2278353 - 2⁹ = 2277841 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2278353.

It is not an unprimeable number, because it can be changed into a prime (2278303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 913 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (160740).

2^2278353 is an apocalyptic number.

It is an amenable number.

2278353 is a deficient number, since it is larger than the sum of its proper divisors (1579407).

2278353 is a wasteful number, since it uses less digits than its factorization.

2278353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437 (or 1430 counting only the distinct ones).

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

The square root of 2278353 is about 1509.4214123299. The cubic root of 2278353 is about 131.5851877097.

The spelling of 2278353 in words is "two million, two hundred seventy-eight thousand, three hundred fifty-three".