2206828640 has 48 divisors (see below), whose sum is σ = 5217524928. Its totient is φ = 882072576.

The previous prime is 2206828607. The next prime is 2206828643. The reversal of 2206828640 is 468286022.

It is a junction number, because it is equal to n+sod(n) for n = 2206828594 and 2206828603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206828643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248924 + ... + 257636.

It is an arithmetic number, because the mean of its divisors is an integer number (108698436).

Almost surely, 2^2206828640 is an apocalyptic number.

2206828640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206828640 is an abundant number, since it is smaller than the sum of its proper divisors (3010696288).

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

2206828640 is a wasteful number, since it uses less digits than its factorization.

2206828640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10311 (or 10303 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 2206828640 is about 46976.8947462473. The cubic root of 2206828640 is about 1301.9357040712.

The spelling of 2206828640 in words is "two billion, two hundred six million, eight hundred twenty-eight thousand, six hundred forty".