2206455575208 has 128 divisors (see below), whose sum is σ = 6103052697600. Its totient is φ = 661201857536.

The previous prime is 2206455575189. The next prime is 2206455575209. The reversal of 2206455575208 is 8025755546022.

It is a super-2 number, since 2×2206455575208² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (2206455575209) 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, 6583585 + ... + 6910607.

It is an arithmetic number, because the mean of its divisors is an integer number (47680099200).

Almost surely, 2^{2206455575208} 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 2206455575208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3051526348800).

2206455575208 is an abundant number, since it is smaller than the sum of its proper divisors (3896597122392).

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

2206455575208 is a wasteful number, since it uses less digits than its factorization.

2206455575208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327791 (or 327787 counting only the distinct ones).

The product of its (nonzero) digits is 6720000, while the sum is 51.

The spelling of 2206455575208 in words is "two trillion, two hundred six billion, four hundred fifty-five million, five hundred seventy-five thousand, two hundred eight".