4322390778 has 12 divisors (see below), whose sum is σ = 9365180058. Its totient is φ = 1440796920.

The previous prime is 4322390741. The next prime is 4322390783. The reversal of 4322390778 is 8770932234.

It can be written as a sum of positive squares in only one way, i.e., 2283597369 + 2038793409 = 47787^2 + 45153^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120066393 + ... + 120066428.

Almost surely, 2^4322390778 is an apocalyptic number.

4322390778 is an abundant number, since it is smaller than the sum of its proper divisors (5042789280).

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

4322390778 is a wasteful number, since it uses less digits than its factorization.

4322390778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240132829 (or 240132826 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 4322390778 is about 65744.8916494658. The cubic root of 4322390778 is about 1628.9509576020.

The spelling of 4322390778 in words is "four billion, three hundred twenty-two million, three hundred ninety thousand, seven hundred seventy-eight".