4422074778 has 48 divisors (see below), whose sum is σ = 10495660032. Its totient is φ = 1334448000.

The previous prime is 4422074777. The next prime is 4422074779. The reversal of 4422074778 is 8774702244.

It is an interprime number because it is at equal distance from previous prime (4422074777) and next prime (4422074779).

It is not an unprimeable number, because it can be changed into a prime (4422074771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1383 + ... + 94053.

It is an arithmetic number, because the mean of its divisors is an integer number (218659584).

Almost surely, 2^4422074778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4422074778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5247830016).

4422074778 is an abundant number, since it is smaller than the sum of its proper divisors (6073585254).

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

4422074778 is a wasteful number, since it uses less digits than its factorization.

4422074778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92931 (or 92928 counting only the distinct ones).

The product of its (nonzero) digits is 702464, while the sum is 45.

The square root of 4422074778 is about 66498.6825283028. The cubic root of 4422074778 is about 1641.3783249635.

It can be divided in two parts, 442207 and 4778, that added together give a triangular number (446985 = T₉₄₅).

The spelling of 4422074778 in words is "four billion, four hundred twenty-two million, seventy-four thousand, seven hundred seventy-eight".