5212438221 has 16 divisors (see below), whose sum is σ = 7612488000. Its totient is φ = 3157771008.

The previous prime is 5212438219. The next prime is 5212438229. The reversal of 5212438221 is 1228342125.

It is not a de Polignac number, because 5212438221 - 2¹ = 5212438219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5212438229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1760671 + ... + 1763628.

It is an arithmetic number, because the mean of its divisors is an integer number (475780500).

Almost surely, 2^5212438221 is an apocalyptic number.

5212438221 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5212438221 is a deficient number, since it is larger than the sum of its proper divisors (2400049779).

5212438221 is a wasteful number, since it uses less digits than its factorization.

5212438221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3524348.

The product of its digits is 7680, while the sum is 30.

The square root of 5212438221 is about 72197.2175433375. The cubic root of 5212438221 is about 1733.8584535159.

The spelling of 5212438221 in words is "five billion, two hundred twelve million, four hundred thirty-eight thousand, two hundred twenty-one".