22645284480 has 512 divisors, whose sum is σ = 98717068800. Its totient is φ = 4777574400.

The previous prime is 22645284449. The next prime is 22645284523. The reversal of 22645284480 is 8448254622.

22645284480 is a `hidden beast` number, since 2 + 2 + 6 + 4 + 528 + 44 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1565280 + ... + 1579680.

It is an arithmetic number, because the mean of its divisors is an integer number (192806775).

Almost surely, 2^22645284480 is an apocalyptic number.

22645284480 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 22645284480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49358534400).

22645284480 is an abundant number, since it is smaller than the sum of its proper divisors (76071784320).

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

22645284480 is a wasteful number, since it uses less digits than its factorization.

22645284480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14449 (or 14431 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 45.

The spelling of 22645284480 in words is "twenty-two billion, six hundred forty-five million, two hundred eighty-four thousand, four hundred eighty".