2205457550 has 24 divisors (see below), whose sum is σ = 4104862272. Its totient is φ = 881600000.

The previous prime is 2205457543. The next prime is 2205457561. The reversal of 2205457550 is 557545022.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2205457550.

It is a congruent 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, 66275 + ... + 93825.

It is an arithmetic number, because the mean of its divisors is an integer number (171035928).

Almost surely, 2^2205457550 is an apocalyptic number.

2205457550 is a deficient number, since it is larger than the sum of its proper divisors (1899404722).

2205457550 is a wasteful number, since it uses less digits than its factorization.

2205457550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29164 (or 29159 counting only the distinct ones).

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 2205457550 is about 46962.2992409869. The cubic root of 2205457550 is about 1301.6660198126. Note that the first 3 decimals are identical.

The spelling of 2205457550 in words is "two billion, two hundred five million, four hundred fifty-seven thousand, five hundred fifty".