2211696880 has 20 divisors (see below), whose sum is σ = 5142195432. Its totient is φ = 884678720.

The previous prime is 2211696869. The next prime is 2211696911. The reversal of 2211696880 is 886961122.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13823026 + ... + 13823185.

Almost surely, 2^2211696880 is an apocalyptic number.

2211696880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211696880 is an abundant number, since it is smaller than the sum of its proper divisors (2930498552).

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

2211696880 is a wasteful number, since it uses less digits than its factorization.

2211696880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27646224 (or 27646218 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 2211696880 is about 47028.6814614231. The cubic root of 2211696880 is about 1302.8923529687.

The spelling of 2211696880 in words is "two billion, two hundred eleven million, six hundred ninety-six thousand, eight hundred eighty".