2285978700 has 72 divisors (see below), whose sum is σ = 6672729168. Its totient is φ = 604190720.

The previous prime is 2285978699. The next prime is 2285978701. The reversal of 2285978700 is 78795822.

It is an interprime number because it is at equal distance from previous prime (2285978699) and next prime (2285978701).

It is a self number, because there is not a number n which added to its sum of digits gives 2285978700.

It is not an unprimeable number, because it can be changed into a prime (2285978701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184 + ... + 67616.

It is an arithmetic number, because the mean of its divisors is an integer number (92676794).

Almost surely, 2^2285978700 is an apocalyptic number.

2285978700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2285978700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3336364584).

2285978700 is an abundant number, since it is smaller than the sum of its proper divisors (4386750468).

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

2285978700 is a wasteful number, since it uses less digits than its factorization.

2285978700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67563 (or 67556 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 2285978700 is about 47811.9096041980. The cubic root of 2285978700 is about 1317.3183044423.

The spelling of 2285978700 in words is "two billion, two hundred eighty-five million, nine hundred seventy-eight thousand, seven hundred".