5221220219 has 4 divisors (see below), whose sum is σ = 5226198600. Its totient is φ = 5216241840.

The previous prime is 5221220203. The next prime is 5221220231. The reversal of 5221220219 is 9120221225.

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 5221220219 - 2⁴ = 5221220203 is a prime.

It is a super-2 number, since 2×5221220219² = 54522281150588815922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5221220299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2487617 + ... + 2489714.

It is an arithmetic number, because the mean of its divisors is an integer number (1306549650).

Almost surely, 2^5221220219 is an apocalyptic number.

5221220219 is a deficient number, since it is larger than the sum of its proper divisors (4978381).

5221220219 is a wasteful number, since it uses less digits than its factorization.

5221220219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978380.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 5221220219 is about 72258.0114520182. The cubic root of 5221220219 is about 1734.8316511765.

The spelling of 5221220219 in words is "five billion, two hundred twenty-one million, two hundred twenty thousand, two hundred nineteen".