2207939868 has 36 divisors (see below), whose sum is σ = 5699934240. Its totient is φ = 720320256.

The previous prime is 2207939863. The next prime is 2207939917. The reversal of 2207939868 is 8689397022.

It is a happy number.

2207939868 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2207939863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 650773 + ... + 654156.

Almost surely, 2^2207939868 is an apocalyptic number.

It is an amenable number.

2207939868 is an abundant number, since it is smaller than the sum of its proper divisors (3491994372).

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

2207939868 is a wasteful number, since it uses less digits than its factorization.

2207939868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1304986 (or 1304981 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 2207939868 is about 46988.7206465552. The cubic root of 2207939868 is about 1302.1541932670.

The spelling of 2207939868 in words is "two billion, two hundred seven million, nine hundred thirty-nine thousand, eight hundred sixty-eight".