2278112 has 12 divisors (see below), whose sum is σ = 4485096. Its totient is φ = 1139040.

The previous prime is 2278109. The next prime is 2278117. The reversal of 2278112 is 2118722.

2278112 is nontrivially palindromic in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2278117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35564 + ... + 35627.

It is an arithmetic number, because the mean of its divisors is an integer number (373758).

2^2278112 is an apocalyptic number.

It is an amenable number.

2278112 is a deficient number, since it is larger than the sum of its proper divisors (2206984).

2278112 is an equidigital number, since it uses as much as digits as its factorization.

2278112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71201 (or 71193 counting only the distinct ones).

The product of its digits is 448, while the sum is 23.

The square root of 2278112 is about 1509.3415783049. The cubic root of 2278112 is about 131.5805479328.

It can be divided in two parts, 22781 and 12, that multiplied together give a palindrome (273372).

The spelling of 2278112 in words is "two million, two hundred seventy-eight thousand, one hundred twelve".