3778220006 has 16 divisors (see below), whose sum is σ = 6218285328. Its totient is φ = 1707444000.

The previous prime is 3778220003. The next prime is 3778220059. The reversal of 3778220006 is 6000228773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3778220003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492545 + ... + 500156.

It is an arithmetic number, because the mean of its divisors is an integer number (388642833).

Almost surely, 2^3778220006 is an apocalyptic number.

3778220006 is a deficient number, since it is larger than the sum of its proper divisors (2440065322).

3778220006 is a wasteful number, since it uses less digits than its factorization.

3778220006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992887.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 3778220006 is about 61467.2270889130. The cubic root of 3778220006 is about 1557.5036787167.

Adding to 3778220006 its reverse (6000228773), we get a palindrome (9778448779).

The spelling of 3778220006 in words is "three billion, seven hundred seventy-eight million, two hundred twenty thousand, six".