2205221155450 has 24 divisors (see below), whose sum is σ = 4101750855072. Its totient is φ = 882079966320.

The previous prime is 2205221155447. The next prime is 2205221155469. The reversal of 2205221155450 is 545511225022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8910277 + ... + 9154423.

It is an arithmetic number, because the mean of its divisors is an integer number (170906285628).

Almost surely, 2^{2205221155450} is an apocalyptic number.

2205221155450 is a deficient number, since it is larger than the sum of its proper divisors (1896529699622).

2205221155450 is a wasteful number, since it uses less digits than its factorization.

2205221155450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424806 (or 424801 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 2205221155450 in words is "two trillion, two hundred five billion, two hundred twenty-one million, one hundred fifty-five thousand, four hundred fifty".