2278432 has 24 divisors (see below), whose sum is σ = 4831596. Its totient is φ = 1051392.

The previous prime is 2278429. The next prime is 2278453. The reversal of 2278432 is 2348722.

It can be written as a sum of positive squares in 2 ways, for example, as 2202256 + 76176 = 1484^2 + 276^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2278432.

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, 2323 + ... + 3154.

2^2278432 is an apocalyptic number.

It is an amenable number.

2278432 is an abundant number, since it is smaller than the sum of its proper divisors (2553164).

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

2278432 is a wasteful number, since it uses less digits than its factorization.

2278432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500 (or 5492 counting only the distinct ones).

The product of its digits is 5376, while the sum is 28.

The square root of 2278432 is about 1509.4475810706. The cubic root of 2278432 is about 131.5867085611.

The spelling of 2278432 in words is "two million, two hundred seventy-eight thousand, four hundred thirty-two".