2278235 has 4 divisors (see below), whose sum is σ = 2733888. Its totient is φ = 1822584.

The previous prime is 2278229. The next prime is 2278249. The reversal of 2278235 is 5328722.

2278235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2278235 - 2¹⁰ = 2277211 is a prime.

It is a d-powerful number, because it can be written as 2⁸ + 2¹² + 7⁶ + 8 + 2²¹ + 3¹⁰ + 5² .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2278198 and 2278207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227819 + ... + 227828.

It is an arithmetic number, because the mean of its divisors is an integer number (683472).

2^2278235 is an apocalyptic number.

2278235 is a deficient number, since it is larger than the sum of its proper divisors (455653).

2278235 is an equidigital number, since it uses as much as digits as its factorization.

2278235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455652.

The product of its digits is 6720, while the sum is 29.

The square root of 2278235 is about 1509.3823239988. The cubic root of 2278235 is about 131.5829159926.

The spelling of 2278235 in words is "two million, two hundred seventy-eight thousand, two hundred thirty-five".