2273838 has 16 divisors (see below), whose sum is σ = 5197440. Its totient is φ = 649656.

The previous prime is 2273833. The next prime is 2273851. The reversal of 2273838 is 8383722.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2273799 and 2273808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27028 + ... + 27111.

It is an arithmetic number, because the mean of its divisors is an integer number (324840).

2^2273838 is an apocalyptic number.

2273838 is an abundant number, since it is smaller than the sum of its proper divisors (2923602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2273838 is a wasteful number, since it uses less digits than its factorization.

2273838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54151.

The product of its digits is 16128, while the sum is 33.

The square root of 2273838 is about 1507.9250644511. The cubic root of 2273838 is about 131.4982096746.

The spelling of 2273838 in words is "two million, two hundred seventy-three thousand, eight hundred thirty-eight".