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22828031 is a prime number
BaseRepresentation
bin101011100010…
…1001111111111
31120221210011122
41113011033333
521320444111
62133141155
7365015012
oct127051777
946853148
1022828031
1111982046
12778a7bb
134963715
143063379
15200dcdb
hex15c53ff

22828031 has 2 divisors, whose sum is σ = 22828032. Its totient is φ = 22828030.

The previous prime is 22828019. The next prime is 22828033. The reversal of 22828031 is 13082822.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22828031 - 26 = 22827967 is a prime.

It is a super-2 number, since 2×228280312 = 1042237998673922, which contains 22 as substring.

Together with 22828033, 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 (22828033) 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, 11414015 + 11414016.

It is an arithmetic number, because the mean of its divisors is an integer number (11414016).

Almost surely, 222828031 is an apocalyptic number.

22828031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22828031 is an equidigital number, since it uses as much as digits as its factorization.

22828031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 22828031 is about 4777.8688763925. The cubic root of 22828031 is about 283.6761459158.

The spelling of 22828031 in words is "twenty-two million, eight hundred twenty-eight thousand, thirty-one".