2279428500 has 48 divisors (see below), whose sum is σ = 6637700160. Its totient is φ = 607847200.

The previous prime is 2279428471. The next prime is 2279428519. The reversal of 2279428500 is 58249722.

2279428500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2279428500² = 10391588573224500000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 758310 + ... + 761309.

It is an arithmetic number, because the mean of its divisors is an integer number (138285420).

Almost surely, 2^2279428500 is an apocalyptic number.

2279428500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2279428500 is an abundant number, since it is smaller than the sum of its proper divisors (4358271660).

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

2279428500 is a wasteful number, since it uses less digits than its factorization.

2279428500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519641 (or 1519629 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 2279428500 is about 47743.3607949838. The cubic root of 2279428500 is about 1316.0588944858.

The spelling of 2279428500 in words is "two billion, two hundred seventy-nine million, four hundred twenty-eight thousand, five hundred".