5221919 has 4 divisors (see below), whose sum is σ = 5390400. Its totient is φ = 5053440.

The previous prime is 5221891. The next prime is 5221927. The reversal of 5221919 is 9191225.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5221919 - 2¹⁶ = 5156383 is a prime.

It is a super-2 number, since 2×5221919² = 54536876085122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5221891 and 5221900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5221939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84194 + ... + 84255.

It is an arithmetic number, because the mean of its divisors is an integer number (1347600).

Almost surely, 2^5221919 is an apocalyptic number.

5221919 is a deficient number, since it is larger than the sum of its proper divisors (168481).

5221919 is a wasteful number, since it uses less digits than its factorization.

5221919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168480.

The product of its digits is 1620, while the sum is 29.

The square root of 5221919 is about 2285.1518549103. The cubic root of 5221919 is about 173.4909041344.

The spelling of 5221919 in words is "five million, two hundred twenty-one thousand, nine hundred nineteen".