2212793880 has 128 divisors (see below), whose sum is σ = 7437761280. Its totient is φ = 521925120.

The previous prime is 2212793819. The next prime is 2212793897. The reversal of 2212793880 is 883972122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26187 + ... + 71493.

It is an arithmetic number, because the mean of its divisors is an integer number (58107510).

Almost surely, 2^2212793880 is an apocalyptic number.

2212793880 is a gapful number since it is divisible by the number (20) 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 2212793880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3718880640).

2212793880 is an abundant number, since it is smaller than the sum of its proper divisors (5224967400).

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

2212793880 is a wasteful number, since it uses less digits than its factorization.

2212793880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45369 (or 45365 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 2212793880 is about 47040.3431109936. The cubic root of 2212793880 is about 1303.1077285751.

The spelling of 2212793880 in words is "two billion, two hundred twelve million, seven hundred ninety-three thousand, eight hundred eighty".