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225006247237 is a prime number
BaseRepresentation
bin1101000110001101101…
…0101101110101000101
3210111210001221122220111
43101203122231311011
512141303044402422
6251211052433021
722153602354622
oct3214332556505
9714701848814
10225006247237
1187474184932
1237736178771
13182aac32085
14ac67213349
155cbd97ca77
hex34636add45

225006247237 has 2 divisors, whose sum is σ = 225006247238. Its totient is φ = 225006247236.

The previous prime is 225006247229. The next prime is 225006247247. The reversal of 225006247237 is 732742600522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198059711521 + 26946535716 = 445039^2 + 164154^2 .

It is a cyclic number.

It is not a de Polignac number, because 225006247237 - 23 = 225006247229 is a prime.

It is a super-2 number, since 2×2250062472372 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 225006247237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225006247247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112503123618 + 112503123619.

It is an arithmetic number, because the mean of its divisors is an integer number (112503123619).

Almost surely, 2225006247237 is an apocalyptic number.

It is an amenable number.

225006247237 is a deficient number, since it is larger than the sum of its proper divisors (1).

225006247237 is an equidigital number, since it uses as much as digits as its factorization.

225006247237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 282240, while the sum is 40.

Adding to 225006247237 its reverse (732742600522), we get a palindrome (957748847759).

The spelling of 225006247237 in words is "two hundred twenty-five billion, six million, two hundred forty-seven thousand, two hundred thirty-seven".