22285534320 has 640 divisors, whose sum is σ = 90759905280. Its totient is φ = 4920652800.

The previous prime is 22285534307. The next prime is 22285534357. The reversal of 22285534320 is 2343558222.

22285534320 is a `hidden beast` number, since 2 + 2 + 285 + 53 + 4 + 320 = 666.

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 127 ways as a sum of consecutive naturals, for example, 98174047 + ... + 98174273.

It is an arithmetic number, because the mean of its divisors is an integer number (141812352).

Almost surely, 2^22285534320 is an apocalyptic number.

22285534320 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 22285534320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45379952640).

22285534320 is an abundant number, since it is smaller than the sum of its proper divisors (68474370960).

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

22285534320 is a wasteful number, since it uses less digits than its factorization.

22285534320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 22285534320 in words is "twenty-two billion, two hundred eighty-five million, five hundred thirty-four thousand, three hundred twenty".