2028278334 has 16 divisors (see below), whose sum is σ = 4058973072. Its totient is φ = 675690048.

The previous prime is 2028278333. The next prime is 2028278339. The reversal of 2028278334 is 4338728202.

2028278334 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2028278334² = 8227826000347631112, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2028278292 and 2028278301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028278333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89679 + ... + 109994.

It is an arithmetic number, because the mean of its divisors is an integer number (253685817).

Almost surely, 2^2028278334 is an apocalyptic number.

2028278334 is an abundant number, since it is smaller than the sum of its proper divisors (2030694738).

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

2028278334 is a wasteful number, since it uses less digits than its factorization.

2028278334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201371.

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 2028278334 is about 45036.4112024926. The cubic root of 2028278334 is about 1265.8313592318.

The spelling of 2028278334 in words is "two billion, twenty-eight million, two hundred seventy-eight thousand, three hundred thirty-four".