5210221404 has 24 divisors (see below), whose sum is σ = 12872312208. Its totient is φ = 1634579200.

The previous prime is 5210221399. The next prime is 5210221409. The reversal of 5210221404 is 4041220125.

It is an interprime number because it is at equal distance from previous prime (5210221399) and next prime (5210221409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5210221409) 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, 12769947 + ... + 12770354.

It is an arithmetic number, because the mean of its divisors is an integer number (536346342).

Almost surely, 2^5210221404 is an apocalyptic number.

It is an amenable number.

5210221404 is an abundant number, since it is smaller than the sum of its proper divisors (7662090804).

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

5210221404 is a wasteful number, since it uses less digits than its factorization.

5210221404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25540325 (or 25540323 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 5210221404 is about 72181.8634007186. The cubic root of 5210221404 is about 1733.6126189848.

Adding to 5210221404 its reverse (4041220125), we get a palindrome (9251441529).

The spelling of 5210221404 in words is "five billion, two hundred ten million, two hundred twenty-one thousand, four hundred four".