2206938680 has 32 divisors (see below), whose sum is σ = 4969574640. Its totient is φ = 882071040.

The previous prime is 2206938649. The next prime is 2206938689. The reversal of 2206938680 is 868396022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206938689) 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, 30272 + ... + 73008.

Almost surely, 2^2206938680 is an apocalyptic number.

2206938680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2206938680 is an abundant number, since it is smaller than the sum of its proper divisors (2762635960).

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

2206938680 is a wasteful number, since it uses less digits than its factorization.

2206938680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44039 (or 44035 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 2206938680 is about 46978.0659457156. The cubic root of 2206938680 is about 1301.9573433626.

The spelling of 2206938680 in words is "two billion, two hundred six million, nine hundred thirty-eight thousand, six hundred eighty".