2278489936 has 20 divisors (see below), whose sum is σ = 4417351200. Its totient is φ = 1138528352.

The previous prime is 2278489921. The next prime is 2278489949. The reversal of 2278489936 is 6399848722.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18076 + ... + 69883.

It is an arithmetic number, because the mean of its divisors is an integer number (220867560).

Almost surely, 2^2278489936 is an apocalyptic number.

It is an amenable number.

2278489936 is a deficient number, since it is larger than the sum of its proper divisors (2138861264).

2278489936 is a wasteful number, since it uses less digits than its factorization.

2278489936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89586 (or 89580 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The square root of 2278489936 is about 47733.5305210080. The cubic root of 2278489936 is about 1315.8782388123.

The spelling of 2278489936 in words is "two billion, two hundred seventy-eight million, four hundred eighty-nine thousand, nine hundred thirty-six".