2205544331 has 8 divisors (see below), whose sum is σ = 2212554240. Its totient is φ = 2198545128.

The previous prime is 2205544277. The next prime is 2205544343. The reversal of 2205544331 is 1334455022.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205544331 is a prime.

It is a super-2 number, since 2×2205544331² = 9728851592012475122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2205544294 and 2205544303.

It is not an unprimeable number, because it can be changed into a prime (2205544531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 617930 + ... + 621488.

It is an arithmetic number, because the mean of its divisors is an integer number (276569280).

Almost surely, 2^2205544331 is an apocalyptic number.

2205544331 is a deficient number, since it is larger than the sum of its proper divisors (7009909).

2205544331 is a wasteful number, since it uses less digits than its factorization.

2205544331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2205544331 is about 46963.2231751612. The cubic root of 2205544331 is about 1301.6830923693.

Adding to 2205544331 its reverse (1334455022), we get a palindrome (3539999353).

The spelling of 2205544331 in words is "two billion, two hundred five million, five hundred forty-four thousand, three hundred thirty-one".