2243185406 has 24 divisors (see below), whose sum is σ = 4269961656. Its totient is φ = 873967920.

The previous prime is 2243185367. The next prime is 2243185433. The reversal of 2243185406 is 6045813422.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1039361 + ... + 1041516.

It is an arithmetic number, because the mean of its divisors is an integer number (177915069).

Almost surely, 2^2243185406 is an apocalyptic number.

2243185406 is a deficient number, since it is larger than the sum of its proper divisors (2026776250).

2243185406 is a wasteful number, since it uses less digits than its factorization.

2243185406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080904 (or 2080897 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 2243185406 is about 47362.2783024634. The cubic root of 2243185406 is about 1309.0464490176.

Adding to 2243185406 its reverse (6045813422), we get a palindrome (8288998828).

It can be divided in two parts, 224 and 3185406, that multiplied together give a square (713530944 = 26712²).

The spelling of 2243185406 in words is "two billion, two hundred forty-three million, one hundred eighty-five thousand, four hundred six".