4778722 has 8 divisors (see below), whose sum is σ = 7719516. Its totient is φ = 2205552.

The previous prime is 4778713. The next prime is 4778723. The reversal of 4778722 is 2278774.

It can be written as a sum of positive squares in 2 ways, for example, as 4575321 + 203401 = 2139^2 + 451^2 .

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

It is not an unprimeable number, because it can be changed into a prime (4778723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91873 + ... + 91924.

Almost surely, 2^4778722 is an apocalyptic number.

4778722 is a deficient number, since it is larger than the sum of its proper divisors (2940794).

4778722 is a wasteful number, since it uses less digits than its factorization.

4778722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183812.

The product of its digits is 43904, while the sum is 37.

The square root of 4778722 is about 2186.0288195721. The cubic root of 4778722 is about 168.4369060563.

The spelling of 4778722 in words is "four million, seven hundred seventy-eight thousand, seven hundred twenty-two".