8221236358 has 8 divisors (see below), whose sum is σ = 12458987352. Its totient is φ = 4068240576.

The previous prime is 8221236323. The next prime is 8221236433. The reversal of 8221236358 is 8536321228.

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

It is a super-2 number, since 2×8221236358² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8221236358.

It is a congruent number.

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, 21188560 + ... + 21188947.

It is an arithmetic number, because the mean of its divisors is an integer number (1557373419).

Almost surely, 2^8221236358 is an apocalyptic number.

8221236358 is a deficient number, since it is larger than the sum of its proper divisors (4237750994).

8221236358 is a wasteful number, since it uses less digits than its factorization.

8221236358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42377606.

The product of its digits is 138240, while the sum is 40.

The square root of 8221236358 is about 90671.0337318374. The cubic root of 8221236358 is about 2018.2689772868.

The spelling of 8221236358 in words is "eight billion, two hundred twenty-one million, two hundred thirty-six thousand, three hundred fifty-eight".