2278033 has 2 divisors, whose sum is σ = 2278034. Its totient is φ = 2278032.

The previous prime is 2278027. The next prime is 2278063. The reversal of 2278033 is 3308722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2274064 + 3969 = 1508^2 + 63^2 .

It is a cyclic number.

It is not a de Polignac number, because 2278033 - 2⁹ = 2277521 is a prime.

2278033 is a lucky number.

It is equal to p₁₆₈₀₃₇ and since 2278033 and 168037 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 2277989 and 2278007.

It is not a weakly prime, because it can be changed into another prime (2278063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1139016 + 1139017.

It is an arithmetic number, because the mean of its divisors is an integer number (1139017).

2^2278033 is an apocalyptic number.

It is an amenable number.

2278033 is a deficient number, since it is larger than the sum of its proper divisors (1).

2278033 is an equidigital number, since it uses as much as digits as its factorization.

2278033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2278033 is about 1509.3154077263. The cubic root of 2278033 is about 131.5790269389.

The spelling of 2278033 in words is "two million, two hundred seventy-eight thousand, thirty-three".