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2272238880 = 253519733413
BaseRepresentation
bin1000011101101111…
…1001110100100000
312212100121200202120
42013123321310200
514123143121010
61013245544240
7110210466102
oct20733716440
95770550676
102272238880
11a6668a77a
12534b75080
132a29a5262
14177ac3572
15d473ae70
hex876f9d20

2272238880 has 192 divisors, whose sum is σ = 7639712640. Its totient is φ = 566009856.

The previous prime is 2272238873. The next prime is 2272238897. The reversal of 2272238880 is 888322722.

2272238880 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 664054 + ... + 667466.

It is an arithmetic number, because the mean of its divisors is an integer number (39790170).

Almost surely, 22272238880 is an apocalyptic number.

2272238880 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 2272238880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3819856320).

2272238880 is an abundant number, since it is smaller than the sum of its proper divisors (5367473760).

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

2272238880 is a wasteful number, since it uses less digits than its factorization.

2272238880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3523 (or 3515 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 42.

The square root of 2272238880 is about 47668.0068809259. The cubic root of 2272238880 is about 1314.6737623626.

The spelling of 2272238880 in words is "two billion, two hundred seventy-two million, two hundred thirty-eight thousand, eight hundred eighty".