5561222228450 has 24 divisors (see below), whose sum is σ = 11821569537792. Its totient is φ = 1906704763920.

The previous prime is 5561222228449. The next prime is 5561222228473. The reversal of 5561222228450 is 548222221655.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7944602834 + ... + 7944603533.

It is an arithmetic number, because the mean of its divisors is an integer number (492565397408).

Almost surely, 2^{5561222228450} is an apocalyptic number.

5561222228450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5561222228450 is an abundant number, since it is smaller than the sum of its proper divisors (6260347309342).

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

5561222228450 is a wasteful number, since it uses less digits than its factorization.

5561222228450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889206386 (or 15889206381 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 44.

The spelling of 5561222228450 in words is "five trillion, five hundred sixty-one billion, two hundred twenty-two million, two hundred twenty-eight thousand, four hundred fifty".