2259801992 has 44 divisors (see below), whose sum is σ = 4943316855. Its totient is φ = 968486568.

The previous prime is 2259801991. The next prime is 2259801997. The reversal of 2259801992 is 2991089522.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1129900996 + 1129900996 = 33614^2 + 33614^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=33614.

It is a Duffinian number.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (2259801991) by changing a digit.

It is a polite number, since it can be written in 10 ways as a sum of consecutive naturals, for example, 322828853 + ... + 322828859.

Almost surely, 2^2259801992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2259801992

2259801992 is an abundant number, since it is smaller than the sum of its proper divisors (2683514863).

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

2259801992 is an frugal number, since it uses more digits than its factorization.

2259801992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 9 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 2259801992 is about 47537.3746856092. The cubic root of 2259801992 is about 1312.2707913819.

The spelling of 2259801992 in words is "two billion, two hundred fifty-nine million, eight hundred one thousand, nine hundred ninety-two".