5221870836 has 72 divisors (see below), whose sum is σ = 15078579264. Its totient is φ = 1377192960.

The previous prime is 5221870831. The next prime is 5221870883. The reversal of 5221870836 is 6380781225.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221870831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169725 + ... + 198116.

It is an arithmetic number, because the mean of its divisors is an integer number (209424712).

Almost surely, 2^5221870836 is an apocalyptic number.

It is an amenable number.

5221870836 is an abundant number, since it is smaller than the sum of its proper divisors (9856708428).

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

5221870836 is a wasteful number, since it uses less digits than its factorization.

5221870836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367881 (or 367866 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 5221870836 is about 72262.5133523599. The cubic root of 5221870836 is about 1734.9037073905.

The spelling of 5221870836 in words is "five billion, two hundred twenty-one million, eight hundred seventy thousand, eight hundred thirty-six".