5297722218 has 96 divisors (see below), whose sum is σ = 12365982720. Its totient is φ = 1698608880.

The previous prime is 5297722211. The next prime is 5297722231. The reversal of 5297722218 is 8122277925.

It is not an unprimeable number, because it can be changed into a prime (5297722211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1345713 + ... + 1349643.

It is an arithmetic number, because the mean of its divisors is an integer number (128812320).

Almost surely, 2^5297722218 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5297722218, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6182991360).

5297722218 is an abundant number, since it is smaller than the sum of its proper divisors (7068260502).

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

5297722218 is a wasteful number, since it uses less digits than its factorization.

5297722218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054 (or 4042 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 5297722218 is about 72785.4533406229. The cubic root of 5297722218 is about 1743.2635954475.

The spelling of 5297722218 in words is "five billion, two hundred ninety-seven million, seven hundred twenty-two thousand, two hundred eighteen".