21946422588336 has 120 divisors (see below), whose sum is σ = 65395724874480. Its totient is φ = 6846687510528.

The previous prime is 21946422588289. The next prime is 21946422588347. The reversal of 21946422588336 is 63388522464912.

21946422588336 is a `hidden beast` number, since 2 + 1 + 9 + 4 + 6 + 42 + 2 + 588 + 3 + 3 + 6 = 666.

It is a super-2 number, since 2×21946422588336² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24603825 + ... + 25480208.

It is an arithmetic number, because the mean of its divisors is an integer number (544964373954).

Almost surely, 2^{21946422588336} is an apocalyptic number.

It is an amenable number.

21946422588336 is an abundant number, since it is smaller than the sum of its proper divisors (43449302286144).

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

21946422588336 is a wasteful number, since it uses less digits than its factorization.

21946422588336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50084243 (or 50084234 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 63.

The spelling of 21946422588336 in words is "twenty-one trillion, nine hundred forty-six billion, four hundred twenty-two million, five hundred eighty-eight thousand, three hundred thirty-six".