2289203990 has 32 divisors (see below), whose sum is σ = 4258814976. Its totient is φ = 885034080.

The previous prime is 2289203957. The next prime is 2289204013. The reversal of 2289203990 is 993029822.

It is a congruent 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, 269549 + ... + 277911.

It is an arithmetic number, because the mean of its divisors is an integer number (133087968).

Almost surely, 2^2289203990 is an apocalyptic number.

2289203990 is a deficient number, since it is larger than the sum of its proper divisors (1969610986).

2289203990 is a wasteful number, since it uses less digits than its factorization.

2289203990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9284.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 2289203990 is about 47845.6266548992. The cubic root of 2289203990 is about 1317.9375486108.

The spelling of 2289203990 in words is "two billion, two hundred eighty-nine million, two hundred three thousand, nine hundred ninety".