2273555120 has 20 divisors (see below), whose sum is σ = 5286015840. Its totient is φ = 909422016.

The previous prime is 2273555093. The next prime is 2273555171. The reversal of 2273555120 is 215553722.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14209640 + ... + 14209799.

It is an arithmetic number, because the mean of its divisors is an integer number (264300792).

Almost surely, 2^2273555120 is an apocalyptic number.

2273555120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2273555120 is an abundant number, since it is smaller than the sum of its proper divisors (3012460720).

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

2273555120 is a wasteful number, since it uses less digits than its factorization.

2273555120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28419452 (or 28419446 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 2273555120 is about 47681.8112072098. The cubic root of 2273555120 is about 1314.9275637547.

The spelling of 2273555120 in words is "two billion, two hundred seventy-three million, five hundred fifty-five thousand, one hundred twenty".