2229449280 has 112 divisors (see below), whose sum is σ = 7091501184. Its totient is φ = 593428480.

The previous prime is 2229449249. The next prime is 2229449281. The reversal of 2229449280 is 829449222.

It is not an unprimeable number, because it can be changed into a prime (2229449281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613549 + ... + 617171.

Almost surely, 2^2229449280 is an apocalyptic number.

2229449280 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 2229449280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3545750592).

2229449280 is an abundant number, since it is smaller than the sum of its proper divisors (4862051904).

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

2229449280 is a wasteful number, since it uses less digits than its factorization.

2229449280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4284 (or 4274 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 2229449280 is about 47217.0443801812. The cubic root of 2229449280 is about 1306.3689983239.

The spelling of 2229449280 in words is "two billion, two hundred twenty-nine million, four hundred forty-nine thousand, two hundred eighty".