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22006037 is a prime number
BaseRepresentation
bin101001111110…
…0100100010101
31112102000121102
41103330210111
521113143122
62103355445
7355022354
oct123744425
945360542
1022006037
1111470509
127452b85
134736531
142ccb99b
151dea492
hex14fc915

22006037 has 2 divisors, whose sum is σ = 22006038. Its totient is φ = 22006036.

The previous prime is 22005989. The next prime is 22006057. The reversal of 22006037 is 73060022.

It is an a-pointer prime, because the next prime (22006057) can be obtained adding 22006037 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17901361 + 4104676 = 4231^2 + 2026^2 .

It is a cyclic number.

It is not a de Polignac number, because 22006037 - 210 = 22005013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22006057) 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, 11003018 + 11003019.

It is an arithmetic number, because the mean of its divisors is an integer number (11003019).

Almost surely, 222006037 is an apocalyptic number.

It is an amenable number.

22006037 is a deficient number, since it is larger than the sum of its proper divisors (1).

22006037 is an equidigital number, since it uses as much as digits as its factorization.

22006037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 22006037 is about 4691.0592620431. The cubic root of 22006037 is about 280.2295608904.

Adding to 22006037 its reverse (73060022), we get a palindrome (95066059).

The spelling of 22006037 in words is "twenty-two million, six thousand, thirty-seven".