2278198228 has 12 divisors (see below), whose sum is σ = 4005743392. Its totient is φ = 1133700120.

The previous prime is 2278198217. The next prime is 2278198259. The reversal of 2278198228 is 8228918722.

2278198228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1348800 + ... + 1350487.

Almost surely, 2^2278198228 is an apocalyptic number.

It is an amenable number.

2278198228 is a deficient number, since it is larger than the sum of its proper divisors (1727545164).

2278198228 is a wasteful number, since it uses less digits than its factorization.

2278198228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699502 (or 2699500 counting only the distinct ones).

The product of its digits is 516096, while the sum is 49.

The square root of 2278198228 is about 47730.4748352664. The cubic root of 2278198228 is about 1315.8220804790.

The spelling of 2278198228 in words is "two billion, two hundred seventy-eight million, one hundred ninety-eight thousand, two hundred twenty-eight".