2822478 has 8 divisors (see below), whose sum is σ = 5644968. Its totient is φ = 940824.

The previous prime is 2822473. The next prime is 2822503. The reversal of 2822478 is 8742282.

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

2822478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2822473) 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, 235201 + ... + 235212.

It is an arithmetic number, because the mean of its divisors is an integer number (705621).

2^2822478 is an apocalyptic number.

2822478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2822478 is a wasteful number, since it uses less digits than its factorization.

2822478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470418.

The product of its digits is 14336, while the sum is 33.

The square root of 2822478 is about 1680.0232141253. The cubic root of 2822478 is about 141.3221345602.

The spelling of 2822478 in words is "two million, eight hundred twenty-two thousand, four hundred seventy-eight".