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22739069 is a prime number
BaseRepresentation
bin101011010111…
…1100001111101
31120210021010202
41112233201331
521310122234
62131213245
7364164443
oct126574175
946707122
1022739069
1111921221
127747225
134932092
14303cb93
151ee277e
hex15af87d

22739069 has 2 divisors, whose sum is σ = 22739070. Its totient is φ = 22739068.

The previous prime is 22739033. The next prime is 22739071. The reversal of 22739069 is 96093722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22686169 + 52900 = 4763^2 + 230^2 .

It is a cyclic number.

It is not a de Polignac number, because 22739069 - 212 = 22734973 is a prime.

It is a super-2 number, since 2×227390692 = 1034130517973522, which contains 22 as substring.

Together with 22739071, 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 (22739009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11369534 + 11369535.

It is an arithmetic number, because the mean of its divisors is an integer number (11369535).

Almost surely, 222739069 is an apocalyptic number.

It is an amenable number.

22739069 is a deficient number, since it is larger than the sum of its proper divisors (1).

22739069 is an equidigital number, since it uses as much as digits as its factorization.

22739069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 22739069 is about 4768.5499892525. The cubic root of 22739069 is about 283.3071660571.

The spelling of 22739069 in words is "twenty-two million, seven hundred thirty-nine thousand, sixty-nine".