2122471680 has 216 divisors, whose sum is σ = 7774689216. Its totient is φ = 483409920.

The previous prime is 2122471679. The next prime is 2122471697. The reversal of 2122471680 is 861742212.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7553140 + ... + 7553420.

Almost surely, 2^2122471680 is an apocalyptic number.

2122471680 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 2122471680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3887344608).

2122471680 is an abundant number, since it is smaller than the sum of its proper divisors (5652217536).

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

2122471680 is an frugal number, since it uses more digits than its factorization.

2122471680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 2122471680 is about 46070.2906437544. The cubic root of 2122471680 is about 1285.1307088446.

The spelling of 2122471680 in words is "two billion, one hundred twenty-two million, four hundred seventy-one thousand, six hundred eighty".