3978570222 has 48 divisors (see below), whose sum is σ = 9812769408. Its totient is φ = 1153207440.

The previous prime is 3978570203. The next prime is 3978570247. The reversal of 3978570222 is 2220758793.

3978570222 is a `hidden beast` number, since 3 + 9 + 78 + 570 + 2 + 2 + 2 = 666.

It is a super-2 number, since 2×3978570222² = 31658042022770258568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 432268 + ... + 441375.

It is an arithmetic number, because the mean of its divisors is an integer number (204432696).

Almost surely, 2^3978570222 is an apocalyptic number.

3978570222 is an abundant number, since it is smaller than the sum of its proper divisors (5834199186).

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

3978570222 is a wasteful number, since it uses less digits than its factorization.

3978570222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873685 (or 873682 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 3978570222 is about 63075.9084120078. The cubic root of 3978570222 is about 1584.5611700658.

The spelling of 3978570222 in words is "three billion, nine hundred seventy-eight million, five hundred seventy thousand, two hundred twenty-two".