2205406452 has 12 divisors (see below), whose sum is σ = 5145948416. Its totient is φ = 735135480.

The previous prime is 2205406417. The next prime is 2205406457. The reversal of 2205406452 is 2546045022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205406457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91891924 + ... + 91891947.

Almost surely, 2^2205406452 is an apocalyptic number.

It is an amenable number.

2205406452 is an abundant number, since it is smaller than the sum of its proper divisors (2940541964).

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

2205406452 is a wasteful number, since it uses less digits than its factorization.

2205406452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183783878 (or 183783876 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 2205406452 is about 46961.7552056990. The cubic root of 2205406452 is about 1301.6559670167.

The spelling of 2205406452 in words is "two billion, two hundred five million, four hundred six thousand, four hundred fifty-two".