22190656320 has 1120 divisors, whose sum is σ = 97896395520. Its totient is φ = 4658135040.

The previous prime is 22190656307. The next prime is 22190656331. The reversal of 22190656320 is 2365609122.

22190656320 is a `hidden beast` number, since 2 + 2 + 1 + 90 + 6 + 563 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 141341682 + ... + 141341838.

It is an arithmetic number, because the mean of its divisors is an integer number (87407496).

Almost surely, 2^22190656320 is an apocalyptic number.

22190656320 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 22190656320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48948197760).

22190656320 is an abundant number, since it is smaller than the sum of its proper divisors (75705739200).

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

22190656320 is a wasteful number, since it uses less digits than its factorization.

22190656320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 22190656320 in words is "twenty-two billion, one hundred ninety million, six hundred fifty-six thousand, three hundred twenty".