22620545406 has 32 divisors (see below), whose sum is σ = 53224814880. Its totient is φ = 7096641408.

The previous prime is 22620545383. The next prime is 22620545417. The reversal of 22620545406 is 60454502622.

22620545406 is a `hidden beast` number, since 2 + 2 + 6 + 205 + 45 + 406 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12319641 + ... + 12321476.

It is an arithmetic number, because the mean of its divisors is an integer number (1663275465).

Almost surely, 2^22620545406 is an apocalyptic number.

22620545406 is an abundant number, since it is smaller than the sum of its proper divisors (30604269474).

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

22620545406 is a wasteful number, since it uses less digits than its factorization.

22620545406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24641145 (or 24641139 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The spelling of 22620545406 in words is "twenty-two billion, six hundred twenty million, five hundred forty-five thousand, four hundred six".