2273439 has 16 divisors (see below), whose sum is σ = 3514112. Its totient is φ = 1280448.

The previous prime is 2273431. The next prime is 2273443. The reversal of 2273439 is 9343722.

2273439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2273439 - 2³ = 2273431 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273431) 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 15 ways as a sum of consecutive naturals, for example, 792 + ... + 2274.

It is an arithmetic number, because the mean of its divisors is an integer number (219632).

2^2273439 is an apocalyptic number.

2273439 is a deficient number, since it is larger than the sum of its proper divisors (1240673).

2273439 is a wasteful number, since it uses less digits than its factorization.

2273439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566.

The product of its digits is 9072, while the sum is 30.

The square root of 2273439 is about 1507.7927576428. The cubic root of 2273439 is about 131.4905177084.

The spelling of 2273439 in words is "two million, two hundred seventy-three thousand, four hundred thirty-nine".