2278863930 has 32 divisors (see below), whose sum is σ = 6250598784. Its totient is φ = 520883136.

The previous prime is 2278863919. The next prime is 2278863931. The reversal of 2278863930 is 393688722.

It is a happy number.

2278863930 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2278863930² = 10386441622910089800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2278863930.

It is not an unprimeable number, because it can be changed into a prime (2278863931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5425657 + ... + 5426076.

It is an arithmetic number, because the mean of its divisors is an integer number (195331212).

Almost surely, 2^2278863930 is an apocalyptic number.

2278863930 is an abundant number, since it is smaller than the sum of its proper divisors (3971734854).

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

2278863930 is a wasteful number, since it uses less digits than its factorization.

2278863930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10851750.

The product of its (nonzero) digits is 870912, while the sum is 48.

The square root of 2278863930 is about 47737.4478789975. The cubic root of 2278863930 is about 1315.9502314706.

The spelling of 2278863930 in words is "two billion, two hundred seventy-eight million, eight hundred sixty-three thousand, nine hundred thirty".