7228107378 has 54 divisors (see below), whose sum is σ = 16243058637. Its totient is φ = 2322920880.

The previous prime is 7228107377. The next prime is 7228107389. The reversal of 7228107378 is 8737018227.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7223810049 + 4297329 = 84993^2 + 2073^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=60117.

It is not an unprimeable number, because it can be changed into a prime (7228107377) 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 26 ways as a sum of consecutive naturals, for example, 10460013 + ... + 10460703.

Almost surely, 2^7228107378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7228107378

7228107378 is an abundant number, since it is smaller than the sum of its proper divisors (9014951259).

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

7228107378 is an equidigital number, since it uses as much as digits as its factorization.

7228107378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 45.

The square root of 7228107378 is about 85018.2767291834. The cubic root of 7228107378 is about 1933.4882264790.

The spelling of 7228107378 in words is "seven billion, two hundred twenty-eight million, one hundred seven thousand, three hundred seventy-eight".