5221394272 has 36 divisors (see below), whose sum is σ = 10460140740. Its totient is φ = 2564904768.

The previous prime is 5221394257. The next prime is 5221394281. The reversal of 5221394272 is 2724931225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3138913 + ... + 3140575.

It is an arithmetic number, because the mean of its divisors is an integer number (290559465).

Almost surely, 2^5221394272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5221394272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5230070370).

5221394272 is an abundant number, since it is smaller than the sum of its proper divisors (5238746468).

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

5221394272 is an frugal number, since it uses more digits than its factorization.

5221394272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395 (or 1724 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 5221394272 is about 72259.2158274638. The cubic root of 5221394272 is about 1734.8509282347.

The spelling of 5221394272 in words is "five billion, two hundred twenty-one million, three hundred ninety-four thousand, two hundred seventy-two".