2277842 has 8 divisors (see below), whose sum is σ = 3904896. Its totient is φ = 976212.

The previous prime is 2277841. The next prime is 2277857. The reversal of 2277842 is 2487722.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁵ + 2¹⁷ + 7 + 7⁵ + 8⁵ + 4 + 2²¹ .

It is a junction number, because it is equal to n+sod(n) for n = 2277799 and 2277808.

It is not an unprimeable number, because it can be changed into a prime (2277841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81338 + ... + 81365.

It is an arithmetic number, because the mean of its divisors is an integer number (488112).

2^2277842 is an apocalyptic number.

2277842 is a deficient number, since it is larger than the sum of its proper divisors (1627054).

2277842 is a wasteful number, since it uses less digits than its factorization.

2277842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162712.

The product of its digits is 12544, while the sum is 32.

The square root of 2277842 is about 1509.2521326803. The cubic root of 2277842 is about 131.5753494539.

The spelling of 2277842 in words is "two million, two hundred seventy-seven thousand, eight hundred forty-two".