22078206881280 has 2160 divisors, whose sum is σ = 90834958534320. Its totient is φ = 4950133309440.

The previous prime is 22078206881261. The next prime is 22078206881327. The reversal of 22078206881280 is 8218860287022.

22078206881280 is a `hidden beast` number, since 2 + 207 + 8 + 20 + 68 + 81 + 280 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 53980945716 + ... + 53980946124.

Almost surely, 2^{22078206881280} is an apocalyptic number.

22078206881280 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 22078206881280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45417479267160).

22078206881280 is an abundant number, since it is smaller than the sum of its proper divisors (68756751653040).

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

22078206881280 is a wasteful number, since it uses less digits than its factorization.

22078206881280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 2752512, while the sum is 54.

The spelling of 22078206881280 in words is "twenty-two trillion, seventy-eight billion, two hundred six million, eight hundred eighty-one thousand, two hundred eighty".