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88228331 is a prime number
BaseRepresentation
bin1010100001001…
…00000111101011
320011000110111222
411100210013223
5140041301311
612431012255
72120633312
oct520440753
9204013458
1088228331
1145891284
122566a08b
1315381719
14ba09279
157b2badb
hex54241eb

88228331 has 2 divisors, whose sum is σ = 88228332. Its totient is φ = 88228330.

The previous prime is 88228307. The next prime is 88228333. The reversal of 88228331 is 13382288.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-88228331 is a prime.

It is a super-2 number, since 2×882283312 = 15568476782091122, which contains 22 as substring.

Together with 88228333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 88228291 and 88228300.

It is not a weakly prime, because it can be changed into another prime (88228333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44114165 + 44114166.

It is an arithmetic number, because the mean of its divisors is an integer number (44114166).

Almost surely, 288228331 is an apocalyptic number.

88228331 is a deficient number, since it is larger than the sum of its proper divisors (1).

88228331 is an equidigital number, since it uses as much as digits as its factorization.

88228331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 35.

The square root of 88228331 is about 9392.9937187246. The cubic root of 88228331 is about 445.1803855652.

The spelling of 88228331 in words is "eighty-eight million, two hundred twenty-eight thousand, three hundred thirty-one".