2205404331 has 16 divisors (see below), whose sum is σ = 3170469120. Its totient is φ = 1355571360.

The previous prime is 2205404329. The next prime is 2205404363. The reversal of 2205404331 is 1334045022.

It is not a de Polignac number, because 2205404331 - 2¹ = 2205404329 is a prime.

It is a super-2 number, since 2×2205404331² = 9727616526387115122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2205404321) 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 15 ways as a sum of consecutive naturals, for example, 586 + ... + 66416.

It is an arithmetic number, because the mean of its divisors is an integer number (198154320).

Almost surely, 2^2205404331 is an apocalyptic number.

2205404331 is a deficient number, since it is larger than the sum of its proper divisors (965064789).

2205404331 is a wasteful number, since it uses less digits than its factorization.

2205404331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66706.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2205404331 is about 46961.7326234882. The cubic root of 2205404331 is about 1301.6555497371.

Adding to 2205404331 its reverse (1334045022), we get a palindrome (3539449353).

The spelling of 2205404331 in words is "two billion, two hundred five million, four hundred four thousand, three hundred thirty-one".