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2272704557 is a prime number
BaseRepresentation
bin1000011101110110…
…1011100000101101
312212101111100112212
42013131223200231
514123303021212
61013303540205
7110214445544
oct20735534055
95771440485
102272704557
11a66978632
1253515a665
132a2b091c6
14177ba515b
15d47cde22
hex8776b82d

2272704557 has 2 divisors, whose sum is σ = 2272704558. Its totient is φ = 2272704556.

The previous prime is 2272704541. The next prime is 2272704559. The reversal of 2272704557 is 7554072722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2055171556 + 217533001 = 45334^2 + 14749^2 .

It is a cyclic number.

It is not a de Polignac number, because 2272704557 - 24 = 2272704541 is a prime.

Together with 2272704559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2272704559) 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 as a sum of consecutive naturals, namely, 1136352278 + 1136352279.

It is an arithmetic number, because the mean of its divisors is an integer number (1136352279).

Almost surely, 22272704557 is an apocalyptic number.

It is an amenable number.

2272704557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2272704557 is an equidigital number, since it uses as much as digits as its factorization.

2272704557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 274400, while the sum is 41.

The square root of 2272704557 is about 47672.8912171267. The cubic root of 2272704557 is about 1314.7635668166.

The spelling of 2272704557 in words is "two billion, two hundred seventy-two million, seven hundred four thousand, five hundred fifty-seven".