22146042546 has 16 divisors (see below), whose sum is σ = 49213428000. Its totient is φ = 7382014164.

The previous prime is 22146042521. The next prime is 22146042551. The reversal of 22146042546 is 64524064122.

22146042546 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 604 + 2 + 5 + 46 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22146042546.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205055896 + ... + 205056003.

It is an arithmetic number, because the mean of its divisors is an integer number (3075839250).

Almost surely, 2^22146042546 is an apocalyptic number.

22146042546 is an abundant number, since it is smaller than the sum of its proper divisors (27067385454).

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

22146042546 is a wasteful number, since it uses less digits than its factorization.

22146042546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410111910 (or 410111904 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The spelling of 22146042546 in words is "twenty-two billion, one hundred forty-six million, forty-two thousand, five hundred forty-six".