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22502969 is a prime number
BaseRepresentation
bin101010111010…
…1111000111001
31120100021021022
41111311320321
521230043334
62122152225
7362162216
oct125657071
946307238
1022502969
111177a8a5
127652675
13487b788
142dbab0d
151e9782e
hex1575e39

22502969 has 2 divisors, whose sum is σ = 22502970. Its totient is φ = 22502968.

The previous prime is 22502957. The next prime is 22502971. The reversal of 22502969 is 96920522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21977344 + 525625 = 4688^2 + 725^2 .

It is a cyclic number.

It is not a de Polignac number, because 22502969 - 220 = 21454393 is a prime.

It is a super-2 number, since 2×225029692 = 1012767227629922, which contains 22 as substring.

Together with 22502971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22502929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11251484 + 11251485.

It is an arithmetic number, because the mean of its divisors is an integer number (11251485).

Almost surely, 222502969 is an apocalyptic number.

It is an amenable number.

22502969 is a deficient number, since it is larger than the sum of its proper divisors (1).

22502969 is an equidigital number, since it uses as much as digits as its factorization.

22502969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 22502969 is about 4743.7294400081. The cubic root of 22502969 is about 282.3232256114.

The spelling of 22502969 in words is "twenty-two million, five hundred two thousand, nine hundred sixty-nine".