22223605536 has 288 divisors, whose sum is σ = 70958317248. Its totient is φ = 6540318720.

The previous prime is 22223605477. The next prime is 22223605543. The reversal of 22223605536 is 63550632222.

22223605536 is a `hidden beast` number, since 2 + 22 + 23 + 60 + 553 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22223605536.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17965110 + ... + 17966346.

It is an arithmetic number, because the mean of its divisors is an integer number (246383046).

Almost surely, 2^22223605536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22223605536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35479158624).

22223605536 is an abundant number, since it is smaller than the sum of its proper divisors (48734711712).

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

22223605536 is a wasteful number, since it uses less digits than its factorization.

22223605536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1424 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 22223605536 in words is "twenty-two billion, two hundred twenty-three million, six hundred five thousand, five hundred thirty-six".