2278299 has 4 divisors (see below), whose sum is σ = 3037736. Its totient is φ = 1518864.

The previous prime is 2278291. The next prime is 2278301. The reversal of 2278299 is 9928722.

2278299 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 not a de Polignac number, because 2278299 - 2³ = 2278291 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁴ + 2⁸ + 7⁶ + 8⁴ + 2²¹ + 9² + 9⁵ .

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2278291) by changing a digit.

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, 379714 + ... + 379719.

It is an arithmetic number, because the mean of its divisors is an integer number (759434).

2^2278299 is an apocalyptic number.

2278299 is a deficient number, since it is larger than the sum of its proper divisors (759437).

2278299 is an equidigital number, since it uses as much as digits as its factorization.

2278299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759436.

The product of its digits is 36288, while the sum is 39.

The square root of 2278299 is about 1509.4035245752. The cubic root of 2278299 is about 131.5841481200.

The spelling of 2278299 in words is "two million, two hundred seventy-eight thousand, two hundred ninety-nine".