2273771720 has 128 divisors (see below), whose sum is σ = 5896074240. Its totient is φ = 781059840.

The previous prime is 2273771711. The next prime is 2273771723. The reversal of 2273771720 is 271773722.

It is not an unprimeable number, because it can be changed into a prime (2273771723) 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 31 ways as a sum of consecutive naturals, for example, 838607 + ... + 841313.

It is an arithmetic number, because the mean of its divisors is an integer number (46063080).

Almost surely, 2^2273771720 is an apocalyptic number.

2273771720 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 2273771720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2948037120).

2273771720 is an abundant number, since it is smaller than the sum of its proper divisors (3622302520).

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

2273771720 is a wasteful number, since it uses less digits than its factorization.

2273771720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835 (or 2831 counting only the distinct ones).

The product of its (nonzero) digits is 57624, while the sum is 38.

The square root of 2273771720 is about 47684.0824594539. The cubic root of 2273771720 is about 1314.9693198373.

The spelling of 2273771720 in words is "two billion, two hundred seventy-three million, seven hundred seventy-one thousand, seven hundred twenty".