2820227100 has 72 divisors (see below), whose sum is σ = 8165310720. Its totient is φ = 751558080.

The previous prime is 2820227099. The next prime is 2820227129. The reversal of 2820227100 is 17220282.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 735789 + ... + 739611.

Almost surely, 2^2820227100 is an apocalyptic number.

2820227100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2820227100 is an abundant number, since it is smaller than the sum of its proper divisors (5345083620).

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

2820227100 is a wasteful number, since it uses less digits than its factorization.

2820227100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6299 (or 6292 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2820227100 is about 53105.8104165636. The cubic root of 2820227100 is about 1412.8455687244.

Adding to 2820227100 its reverse (17220282), we get a palindrome (2837447382).

The spelling of 2820227100 in words is "two billion, eight hundred twenty million, two hundred twenty-seven thousand, one hundred".