6621545224222 has 8 divisors (see below), whose sum is σ = 9940347199656. Its totient is φ = 3308096157672.

The previous prime is 6621545224193. The next prime is 6621545224243. The reversal of 6621545224222 is 2224225451266.

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

It is a super-2 number, since 2×6621545224222² (a number of 26 digits) contains 22 as substring.

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, 1338224128 + ... + 1338229075.

It is an arithmetic number, because the mean of its divisors is an integer number (1242543399957).

Almost surely, 2^{6621545224222} is an apocalyptic number.

6621545224222 is a deficient number, since it is larger than the sum of its proper divisors (3318801975434).

6621545224222 is a wasteful number, since it uses less digits than its factorization.

6621545224222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2676454442.

The product of its digits is 921600, while the sum is 43.

The spelling of 6621545224222 in words is "six trillion, six hundred twenty-one billion, five hundred forty-five million, two hundred twenty-four thousand, two hundred twenty-two".