22006801486656 has 448 divisors, whose sum is σ = 78220945920000. Its totient is φ = 5926782597120.

The previous prime is 22006801486639. The next prime is 22006801486667. The reversal of 22006801486656 is 65668410860022.

22006801486656 is a `hidden beast` number, since 2 + 20 + 0 + 6 + 80 + 1 + 486 + 65 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 45494386 + ... + 45975566.

Almost surely, 2^{22006801486656} 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 22006801486656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39110472960000).

22006801486656 is an abundant number, since it is smaller than the sum of its proper divisors (56214144433344).

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

22006801486656 is a wasteful number, since it uses less digits than its factorization.

22006801486656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481427 (or 481411 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 22006801486656 in words is "twenty-two trillion, six billion, eight hundred one million, four hundred eighty-six thousand, six hundred fifty-six".