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22384157 is a prime number
BaseRepresentation
bin101010101100…
…0111000011101
31120010020021212
41111120320131
521212243112
62115434205
7361155635
oct125307035
946106255
1022384157
11116a9604
1275b5965
134839683
142d896c5
151e72522
hex1558e1d

22384157 has 2 divisors, whose sum is σ = 22384158. Its totient is φ = 22384156.

The previous prime is 22384151. The next prime is 22384163. The reversal of 22384157 is 75148322.

It is a balanced prime because it is at equal distance from previous prime (22384151) and next prime (22384163).

It can be written as a sum of positive squares in only one way, i.e., 16556761 + 5827396 = 4069^2 + 2414^2 .

It is a cyclic number.

It is not a de Polignac number, because 22384157 - 28 = 22383901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22384151) 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, 11192078 + 11192079.

It is an arithmetic number, because the mean of its divisors is an integer number (11192079).

Almost surely, 222384157 is an apocalyptic number.

It is an amenable number.

22384157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22384157 is an equidigital number, since it uses as much as digits as its factorization.

22384157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 22384157 is about 4731.1898080715. The cubic root of 22384157 is about 281.8254750643.

The spelling of 22384157 in words is "twenty-two million, three hundred eighty-four thousand, one hundred fifty-seven".