5821222 has 8 divisors (see below), whose sum is σ = 9525672. Its totient is φ = 2646000.

The previous prime is 5821213. The next prime is 5821229. The reversal of 5821222 is 2221285.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 264601 = 5821222 / (5 + 8 + 2 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 5821193 and 5821202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5821229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132279 + ... + 132322.

It is an arithmetic number, because the mean of its divisors is an integer number (1190709).

Almost surely, 2^5821222 is an apocalyptic number.

5821222 is a deficient number, since it is larger than the sum of its proper divisors (3704450).

5821222 is a wasteful number, since it uses less digits than its factorization.

5821222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264614.

The product of its digits is 640, while the sum is 22.

The square root of 5821222 is about 2412.7208707184. The cubic root of 5821222 is about 179.8890468482.

The spelling of 5821222 in words is "five million, eight hundred twenty-one thousand, two hundred twenty-two".