2278504938 has 16 divisors (see below), whose sum is σ = 4565729376. Its totient is φ = 758048400.

The previous prime is 2278504901. The next prime is 2278504939. The reversal of 2278504938 is 8394058722.

It is not an unprimeable number, because it can be changed into a prime (2278504939) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 359913 + ... + 366188.

It is an arithmetic number, because the mean of its divisors is an integer number (285358086).

Almost surely, 2^2278504938 is an apocalyptic number.

2278504938 is an abundant number, since it is smaller than the sum of its proper divisors (2287224438).

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

2278504938 is a wasteful number, since it uses less digits than its factorization.

2278504938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726629.

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 2278504938 is about 47733.6876639549. The cubic root of 2278504938 is about 1315.8811268014.

The spelling of 2278504938 in words is "two billion, two hundred seventy-eight million, five hundred four thousand, nine hundred thirty-eight".