4778282 has 4 divisors (see below), whose sum is σ = 7167426. Its totient is φ = 2389140.

The previous prime is 4778237. The next prime is 4778303. The reversal of 4778282 is 2828774.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2531281 + 2247001 = 1591^2 + 1499^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194569 + ... + 1194572.

Almost surely, 2^4778282 is an apocalyptic number.

4778282 is a deficient number, since it is larger than the sum of its proper divisors (2389144).

4778282 is a wasteful number, since it uses less digits than its factorization.

4778282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389143.

The product of its digits is 50176, while the sum is 38.

The square root of 4778282 is about 2185.9281781431. The cubic root of 4778282 is about 168.4317362980.

The spelling of 4778282 in words is "four million, seven hundred seventy-eight thousand, two hundred eighty-two".