5221447786 has 16 divisors (see below), whose sum is σ = 7988206464. Its totient is φ = 2559151584.

The previous prime is 5221447783. The next prime is 5221447801. The reversal of 5221447786 is 6877441225.

It is not an unprimeable number, because it can be changed into a prime (5221447783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85906 + ... + 133501.

It is an arithmetic number, because the mean of its divisors is an integer number (499262904).

Almost surely, 2^5221447786 is an apocalyptic number.

5221447786 is a deficient number, since it is larger than the sum of its proper divisors (2766758678).

5221447786 is a wasteful number, since it uses less digits than its factorization.

5221447786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219645.

The product of its digits is 752640, while the sum is 46.

The square root of 5221447786 is about 72259.5861183829. The cubic root of 5221447786 is about 1734.8568550358.

It can be divided in two parts, 52214 and 47786, that added together give a 5-th power (100000 = 10⁵).

The spelling of 5221447786 in words is "five billion, two hundred twenty-one million, four hundred forty-seven thousand, seven hundred eighty-six".