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22276741 is a prime number
BaseRepresentation
bin101010011111…
…0101010000101
31112220202221111
41110332222011
521200323431
62113245021
7360230524
oct124765205
945822844
1022276741
1111635933
127563771
1347cc806
142d5c4bb
151e507b1
hex153ea85

22276741 has 2 divisors, whose sum is σ = 22276742. Its totient is φ = 22276740.

The previous prime is 22276739. The next prime is 22276769. The reversal of 22276741 is 14767222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19228225 + 3048516 = 4385^2 + 1746^2 .

It is a cyclic number.

It is not a de Polignac number, because 22276741 - 21 = 22276739 is a prime.

Together with 22276739, 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 (22276781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11138370 + 11138371.

It is an arithmetic number, because the mean of its divisors is an integer number (11138371).

Almost surely, 222276741 is an apocalyptic number.

It is an amenable number.

22276741 is a deficient number, since it is larger than the sum of its proper divisors (1).

22276741 is an equidigital number, since it uses as much as digits as its factorization.

22276741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9408, while the sum is 31.

The square root of 22276741 is about 4719.8242552027. The cubic root of 22276741 is about 281.3739485934.

The spelling of 22276741 in words is "twenty-two million, two hundred seventy-six thousand, seven hundred forty-one".