7228398472 has 16 divisors (see below), whose sum is σ = 13577075100. Its totient is φ = 3607845120.

The previous prime is 7228398431. The next prime is 7228398491. The reversal of 7228398472 is 2748938227.

It can be written as a sum of positive squares in 2 ways, for example, as 6959897476 + 268500996 = 83426^2 + 16386^2 .

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 3 ways as a sum of consecutive naturals, for example, 789429 + ... + 798532.

Almost surely, 2^7228398472 is an apocalyptic number.

It is an amenable number.

7228398472 is a deficient number, since it is larger than the sum of its proper divisors (6348676628).

7228398472 is a wasteful number, since it uses less digits than its factorization.

7228398472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588536 (or 1588532 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 52.

The square root of 7228398472 is about 85019.9886614907. The cubic root of 7228398472 is about 1933.5141816028.

The spelling of 7228398472 in words is "seven billion, two hundred twenty-eight million, three hundred ninety-eight thousand, four hundred seventy-two".