2277990000 has 800 divisors, whose sum is σ = 9761875200. Its totient is φ = 501120000.

The previous prime is 2277989999. The next prime is 2277990007. The reversal of 2277990000 is 997722.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2277990007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 38609971 + ... + 38610029.

It is an arithmetic number, because the mean of its divisors is an integer number (12202344).

Almost surely, 2^2277990000 is an apocalyptic number.

2277990000 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 2277990000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4880937600).

2277990000 is an abundant number, since it is smaller than the sum of its proper divisors (7483885200).

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

2277990000 is a wasteful number, since it uses less digits than its factorization.

2277990000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 2277990000 is about 47728.2934955777. The cubic root of 2277990000 is about 1315.7819904136.

The spelling of 2277990000 in words is "two billion, two hundred seventy-seven million, nine hundred ninety thousand".