228000037 has 2 divisors, whose sum is σ = 228000038. Its totient is φ = 228000036.

The previous prime is 227999977. The next prime is 228000049. The reversal of 228000037 is 730000822.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131194116 + 96805921 = 11454^2 + 9839^2 .

It is a cyclic number.

It is not a de Polignac number, because 228000037 - 2⁷ = 227999909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 227999981 and 228000017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228000077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114000018 + 114000019.

It is an arithmetic number, because the mean of its divisors is an integer number (114000019).

Almost surely, 2^228000037 is an apocalyptic number.

It is an amenable number.

228000037 is a deficient number, since it is larger than the sum of its proper divisors (1).

228000037 is an equidigital number, since it uses as much as digits as its factorization.

228000037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 228000037 is about 15099.6700957339. The cubic root of 228000037 is about 610.9115074753.

Adding to 228000037 its reverse (730000822), we get a palindrome (958000859).

The spelling of 228000037 in words is "two hundred twenty-eight million, thirty-seven", and thus it is an aban number.