2278275 has 24 divisors (see below), whose sum is σ = 3873264. Its totient is φ = 1180800.

The previous prime is 2278261. The next prime is 2278277. The reversal of 2278275 is 5728722.

It is not a de Polignac number, because 2278275 - 2⁴ = 2278259 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁷ + 7³ + 8 + 2²¹ + 7⁵ + 5³ .

2278275 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2278277) 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, 2365 + ... + 3185.

It is an arithmetic number, because the mean of its divisors is an integer number (161386).

2^2278275 is an apocalyptic number.

2278275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2278275 is a deficient number, since it is larger than the sum of its proper divisors (1594989).

2278275 is a wasteful number, since it uses less digits than its factorization.

2278275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871 (or 866 counting only the distinct ones).

The product of its digits is 15680, while the sum is 33.

The square root of 2278275 is about 1509.3955743939. The cubic root of 2278275 is about 131.5836860750.

The spelling of 2278275 in words is "two million, two hundred seventy-eight thousand, two hundred seventy-five".