22385081546 has 8 divisors (see below), whose sum is σ = 33661358244. Its totient is φ = 11164628800.

The previous prime is 22385081539. The next prime is 22385081549. The reversal of 22385081546 is 64518058322.

It can be written as a sum of positive squares in 2 ways, for example, as 13286020225 + 9099061321 = 115265^2 + 95389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22385081497 and 22385081506.

It is not an unprimeable number, because it can be changed into a prime (22385081549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13954985 + ... + 13956588.

Almost surely, 2^22385081546 is an apocalyptic number.

22385081546 is a deficient number, since it is larger than the sum of its proper divisors (11276276698).

22385081546 is a wasteful number, since it uses less digits than its factorization.

22385081546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27911976.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 22385081546 in words is "twenty-two billion, three hundred eighty-five million, eighty-one thousand, five hundred forty-six".