6220399748 has 12 divisors (see below), whose sum is σ = 11008011420. Its totient is φ = 3075253632.

The previous prime is 6220399741. The next prime is 6220399751. The reversal of 6220399748 is 8479930226.

It can be written as a sum of positive squares in 2 ways, for example, as 2730898564 + 3489501184 = 52258^2 + 59072^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6220399696 and 6220399705.

It is not an unprimeable number, because it can be changed into a prime (6220399741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8736161 + ... + 8736872.

It is an arithmetic number, because the mean of its divisors is an integer number (917334285).

Almost surely, 2^6220399748 is an apocalyptic number.

It is an amenable number.

6220399748 is a deficient number, since it is larger than the sum of its proper divisors (4787611672).

6220399748 is a wasteful number, since it uses less digits than its factorization.

6220399748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17473126 (or 17473124 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 6220399748 is about 78869.5108898236. The cubic root of 6220399748 is about 1839.1031928550.

The spelling of 6220399748 in words is "six billion, two hundred twenty million, three hundred ninety-nine thousand, seven hundred forty-eight".