2247143906 has 16 divisors (see below), whose sum is σ = 3857621760. Its totient is φ = 961717920.

The previous prime is 2247143897. The next prime is 2247143933. The reversal of 2247143906 is 6093417422.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2247143906.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101555 + ... + 121686.

It is an arithmetic number, because the mean of its divisors is an integer number (241101360).

Almost surely, 2^2247143906 is an apocalyptic number.

2247143906 is a deficient number, since it is larger than the sum of its proper divisors (1610477854).

2247143906 is a wasteful number, since it uses less digits than its factorization.

2247143906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223969.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2247143906 is about 47404.0494683735. The cubic root of 2247143906 is about 1309.8160116872.

The spelling of 2247143906 in words is "two billion, two hundred forty-seven million, one hundred forty-three thousand, nine hundred six".