2228900520 has 256 divisors, whose sum is σ = 8370708480. Its totient is φ = 461260800.

The previous prime is 2228900519. The next prime is 2228900543. The reversal of 2228900520 is 250098222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4277860 + ... + 4278380.

It is an arithmetic number, because the mean of its divisors is an integer number (32698080).

Almost surely, 2^2228900520 is an apocalyptic number.

2228900520 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 2228900520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4185354240).

2228900520 is an abundant number, since it is smaller than the sum of its proper divisors (6141807960).

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

2228900520 is a wasteful number, since it uses less digits than its factorization.

2228900520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2228900520 is about 47211.2329853818. The cubic root of 2228900520 is about 1306.2618056517.

Adding to 2228900520 its reverse (250098222), we get a palindrome (2478998742).

The spelling of 2228900520 in words is "two billion, two hundred twenty-eight million, nine hundred thousand, five hundred twenty".