2278475 has 6 divisors (see below), whose sum is σ = 2825340. Its totient is φ = 1822760.

The previous prime is 2278453. The next prime is 2278477. The reversal of 2278475 is 5748722.

It is not a de Polignac number, because 2278475 - 2¹⁶ = 2212939 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹⁷ + 7⁵ + 8⁷ + 4⁷ + 7⁵ + 5³ .

It is not an unprimeable number, because it can be changed into a prime (2278477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45545 + ... + 45594.

It is an arithmetic number, because the mean of its divisors is an integer number (470890).

2^2278475 is an apocalyptic number.

2278475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2278475 is a deficient number, since it is larger than the sum of its proper divisors (546865).

2278475 is an equidigital number, since it uses as much as digits as its factorization.

2278475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91149 (or 91144 counting only the distinct ones).

The product of its digits is 31360, while the sum is 35.

The square root of 2278475 is about 1509.4618246249. The cubic root of 2278475 is about 131.5875363516.

The spelling of 2278475 in words is "two million, two hundred seventy-eight thousand, four hundred seventy-five".