2205228788 has 48 divisors (see below), whose sum is σ = 4673894400. Its totient is φ = 890238720.

The previous prime is 2205228769. The next prime is 2205228827. The reversal of 2205228788 is 8878225022.

2205228788 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173 + ... + 66411.

It is an arithmetic number, because the mean of its divisors is an integer number (97372800).

Almost surely, 2^2205228788 is an apocalyptic number.

2205228788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2205228788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2336947200).

2205228788 is an abundant number, since it is smaller than the sum of its proper divisors (2468665612).

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

2205228788 is a wasteful number, since it uses less digits than its factorization.

2205228788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66320 (or 66318 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 2205228788 is about 46959.8635858325. The cubic root of 2205228788 is about 1301.6210129737.

The spelling of 2205228788 in words is "two billion, two hundred five million, two hundred twenty-eight thousand, seven hundred eighty-eight".