2279128 has 16 divisors (see below), whose sum is σ = 4289760. Its totient is φ = 1135200.

The previous prime is 2279119. The next prime is 2279141. The reversal of 2279128 is 8219722.

It is a self number, because there is not a number n which added to its sum of digits gives 2279128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3118 + ... + 3778.

It is an arithmetic number, because the mean of its divisors is an integer number (268110).

2^2279128 is an apocalyptic number.

It is an amenable number.

2279128 is a deficient number, since it is larger than the sum of its proper divisors (2010632).

2279128 is a wasteful number, since it uses less digits than its factorization.

2279128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098 (or 1094 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 2279128 is about 1509.6781113867. The cubic root of 2279128 is about 131.6001059364.

The spelling of 2279128 in words is "two million, two hundred seventy-nine thousand, one hundred twenty-eight".