5221218347 has 8 divisors (see below), whose sum is σ = 5604080976. Its totient is φ = 4846770432.

The previous prime is 5221218329. The next prime is 5221218367. The reversal of 5221218347 is 7438121225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5221218347 - 2¹⁸ = 5220956203 is a prime.

It is a super-2 number, since 2×5221218347² = 54522242054098824818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5221218367) 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, 2102393 + ... + 2104874.

It is an arithmetic number, because the mean of its divisors is an integer number (700510122).

Almost surely, 2^5221218347 is an apocalyptic number.

5221218347 is a deficient number, since it is larger than the sum of its proper divisors (382862629).

5221218347 is a wasteful number, since it uses less digits than its factorization.

5221218347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207357.

The product of its digits is 26880, while the sum is 35.

The square root of 5221218347 is about 72257.9984984361. The cubic root of 5221218347 is about 1734.8314438427.

The spelling of 5221218347 in words is "five billion, two hundred twenty-one million, two hundred eighteen thousand, three hundred forty-seven".