22245540445546 has 8 divisors (see below), whose sum is σ = 36401793456384. Its totient is φ = 10111609293420.

The previous prime is 22245540445523. The next prime is 22245540445547. The reversal of 22245540445546 is 64554404554222.

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 = 22245540445493 and 22245540445502.

It is not an unprimeable number, because it can be changed into a prime (22245540445547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505580464650 + ... + 505580464693.

It is an arithmetic number, because the mean of its divisors is an integer number (4550224182048).

Almost surely, 2^{22245540445546} is an apocalyptic number.

22245540445546 is a deficient number, since it is larger than the sum of its proper divisors (14156253010838).

22245540445546 is a wasteful number, since it uses less digits than its factorization.

22245540445546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011160929356.

The product of its (nonzero) digits is 30720000, while the sum is 52.

Adding to 22245540445546 its reverse (64554404554222), we get a palindrome (86799944999768).

The spelling of 22245540445546 in words is "twenty-two trillion, two hundred forty-five billion, five hundred forty million, four hundred forty-five thousand, five hundred forty-six".