4778622 has 16 divisors (see below), whose sum is σ = 10619280. Its totient is φ = 1592856.

The previous prime is 4778611. The next prime is 4778659. The reversal of 4778622 is 2268774.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44193 + ... + 44300.

It is an arithmetic number, because the mean of its divisors is an integer number (663705).

Almost surely, 2^4778622 is an apocalyptic number.

4778622 is an abundant number, since it is smaller than the sum of its proper divisors (5840658).

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

4778622 is a wasteful number, since it uses less digits than its factorization.

4778622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88504 (or 88498 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 4778622 is about 2186.0059469270. The cubic root of 4778622 is about 168.4357311391.

The spelling of 4778622 in words is "four million, seven hundred seventy-eight thousand, six hundred twenty-two".