6622122100 has 144 divisors (see below), whose sum is σ = 16150591296. Its totient is φ = 2336256000.

The previous prime is 6622122083. The next prime is 6622122103. The reversal of 6622122100 is 12212266.

It is a super-2 number, since 2×6622122100² = 87705002214616820000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6622122103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5654515 + ... + 5655685.

It is an arithmetic number, because the mean of its divisors is an integer number (112156884).

Almost surely, 2^6622122100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6622122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8075295648).

6622122100 is an abundant number, since it is smaller than the sum of its proper divisors (9528469196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6622122100 is a wasteful number, since it uses less digits than its factorization.

6622122100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 6622122100 is about 81376.4222609965. The cubic root of 6622122100 is about 1877.8708826333.

Adding to 6622122100 its reverse (12212266), we get a palindrome (6634334366).

The spelling of 6622122100 in words is "six billion, six hundred twenty-two million, one hundred twenty-two thousand, one hundred".