2205451855 has 8 divisors (see below), whose sum is σ = 2646796464. Its totient is φ = 1764192000.

The previous prime is 2205451841. The next prime is 2205451861. The reversal of 2205451855 is 5581545022.

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

It is not a de Polignac number, because 2205451855 - 2¹³ = 2205443663 is a prime.

It is a super-3 number, since 3×2205451855³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80020 + ... + 103990.

It is an arithmetic number, because the mean of its divisors is an integer number (330849558).

Almost surely, 2^2205451855 is an apocalyptic number.

2205451855 is a deficient number, since it is larger than the sum of its proper divisors (441344609).

2205451855 is a wasteful number, since it uses less digits than its factorization.

2205451855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42377.

The product of its (nonzero) digits is 80000, while the sum is 37.

The square root of 2205451855 is about 46962.2386072044. The cubic root of 2205451855 is about 1301.6648994110.

Adding to 2205451855 its reverse (5581545022), we get a palindrome (7786996877).

The spelling of 2205451855 in words is "two billion, two hundred five million, four hundred fifty-one thousand, eight hundred fifty-five".