2243631906 has 32 divisors (see below), whose sum is σ = 5000258880. Its totient is φ = 745715808.

The previous prime is 2243631857. The next prime is 2243631931. The reversal of 2243631906 is 6091363422.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41131 + ... + 78606.

It is an arithmetic number, because the mean of its divisors is an integer number (156258090).

Almost surely, 2^2243631906 is an apocalyptic number.

2243631906 is an abundant number, since it is smaller than the sum of its proper divisors (2756626974).

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

2243631906 is a wasteful number, since it uses less digits than its factorization.

2243631906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120095 (or 120089 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 2243631906 is about 47366.9917347513. The cubic root of 2243631906 is about 1309.1332973096.

The spelling of 2243631906 in words is "two billion, two hundred forty-three million, six hundred thirty-one thousand, nine hundred six".