22063638240 has 576 divisors, whose sum is σ = 88310476800. Its totient is φ = 4912607232.

The previous prime is 22063638227. The next prime is 22063638301. The reversal of 22063638240 is 4283636022.

22063638240 is a `hidden beast` number, since 2 + 206 + 36 + 382 + 40 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 22063638195 and 22063638204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 82020826 + ... + 82021094.

It is an arithmetic number, because the mean of its divisors is an integer number (153316800).

Almost surely, 2^22063638240 is an apocalyptic number.

22063638240 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 22063638240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44155238400).

22063638240 is an abundant number, since it is smaller than the sum of its proper divisors (66246838560).

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

22063638240 is a wasteful number, since it uses less digits than its factorization.

22063638240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 22063638240 in words is "twenty-two billion, sixty-three million, six hundred thirty-eight thousand, two hundred forty".