22028186977080 has 256 divisors, whose sum is σ = 68970037248000. Its totient is φ = 5622226536960.

The previous prime is 22028186977063. The next prime is 22028186977081. The reversal of 22028186977080 is 8077968182022.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22028186977081) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123537669 + ... + 123715851.

It is an arithmetic number, because the mean of its divisors is an integer number (269414208000).

Almost surely, 2^{22028186977080} is an apocalyptic number.

22028186977080 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 22028186977080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34485018624000).

22028186977080 is an abundant number, since it is smaller than the sum of its proper divisors (46941850270920).

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

22028186977080 is a wasteful number, since it uses less digits than its factorization.

22028186977080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178594 (or 178590 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 60.

The spelling of 22028186977080 in words is "twenty-two trillion, twenty-eight billion, one hundred eighty-six million, nine hundred seventy-seven thousand, eighty".