2273256140 has 48 divisors (see below), whose sum is σ = 5036908800. Its totient is φ = 859419072.

The previous prime is 2273256113. The next prime is 2273256151. The reversal of 2273256140 is 416523722.

It is a junction number, because it is equal to n+sod(n) for n = 2273256097 and 2273256106.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 160007 + ... + 173633.

It is an arithmetic number, because the mean of its divisors is an integer number (104935600).

Almost surely, 2^2273256140 is an apocalyptic number.

2273256140 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 2273256140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2518454400).

2273256140 is an abundant number, since it is smaller than the sum of its proper divisors (2763652660).

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

2273256140 is a wasteful number, since it uses less digits than its factorization.

2273256140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14094 (or 14092 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2273256140 is about 47678.6759463809. The cubic root of 2273256140 is about 1314.8699221235.

Adding to 2273256140 its reverse (416523722), we get a palindrome (2689779862).

The spelling of 2273256140 in words is "two billion, two hundred seventy-three million, two hundred fifty-six thousand, one hundred forty".