5221420 has 12 divisors (see below), whose sum is σ = 10965024. Its totient is φ = 2088560.

The previous prime is 5221399. The next prime is 5221451. The reversal of 5221420 is 241225.

It is a junction number, because it is equal to n+sod(n) for n = 5221394 and 5221403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130516 + ... + 130555.

It is an arithmetic number, because the mean of its divisors is an integer number (913752).

Almost surely, 2^5221420 is an apocalyptic number.

It is an amenable number.

5221420 is an abundant number, since it is smaller than the sum of its proper divisors (5743604).

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

5221420 is a wasteful number, since it uses less digits than its factorization.

5221420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261080 (or 261078 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 5221420 is about 2285.0426691859. The cubic root of 5221420 is about 173.4853777676.

Adding to 5221420 its reverse (241225), we get a palindrome (5462645).

The spelling of 5221420 in words is "five million, two hundred twenty-one thousand, four hundred twenty".