6622552266 has 64 divisors (see below), whose sum is σ = 15336760320. Its totient is φ = 1884143360.

The previous prime is 6622552217. The next prime is 6622552267.

6622552266 is nontrivially palindromic in base 10.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (6622552267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463075 + ... + 477161.

It is an arithmetic number, because the mean of its divisors is an integer number (239636880).

Almost surely, 2^6622552266 is an apocalyptic number.

6622552266 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6622552266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7668380160).

6622552266 is an abundant number, since it is smaller than the sum of its proper divisors (8714208054).

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

6622552266 is a wasteful number, since it uses less digits than its factorization.

6622552266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14539.

The product of its digits is 518400, while the sum is 42.

The square root of 6622552266 is about 81379.0652809431. The cubic root of 6622552266 is about 1877.9115432505.

The spelling of 6622552266 in words is "six billion, six hundred twenty-two million, five hundred fifty-two thousand, two hundred sixty-six".