5644221213 has 8 divisors (see below), whose sum is σ = 7528998400. Its totient is φ = 3761129088.

The previous prime is 5644221199. The next prime is 5644221223. The reversal of 5644221213 is 3121224465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5644221213 - 2⁴ = 5644221197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5644221223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413428 + ... + 426861.

It is an arithmetic number, because the mean of its divisors is an integer number (941124800).

Almost surely, 2^5644221213 is an apocalyptic number.

It is an amenable number.

5644221213 is a deficient number, since it is larger than the sum of its proper divisors (1884777187).

5644221213 is a wasteful number, since it uses less digits than its factorization.

5644221213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842531.

The product of its digits is 11520, while the sum is 30.

The square root of 5644221213 is about 75128.0321384768. The cubic root of 5644221213 is about 1780.4700619639.

Adding to 5644221213 its reverse (3121224465), we get a palindrome (8765445678).

The spelling of 5644221213 in words is "five billion, six hundred forty-four million, two hundred twenty-one thousand, two hundred thirteen".