227142428237 has 2 divisors, whose sum is σ = 227142428238. Its totient is φ = 227142428236.

The previous prime is 227142428221. The next prime is 227142428291. The reversal of 227142428237 is 732824241722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 217203534601 + 9938893636 = 466051^2 + 99694^2 .

It is a cyclic number.

It is not a de Polignac number, because 227142428237 - 2⁴ = 227142428221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227142428297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113571214118 + 113571214119.

It is an arithmetic number, because the mean of its divisors is an integer number (113571214119).

Almost surely, 2^227142428237 is an apocalyptic number.

It is an amenable number.

227142428237 is a deficient number, since it is larger than the sum of its proper divisors (1).

227142428237 is an equidigital number, since it uses as much as digits as its factorization.

227142428237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 602112, while the sum is 44.

Adding to 227142428237 its reverse (732824241722), we get a palindrome (959966669959).

The spelling of 227142428237 in words is "two hundred twenty-seven billion, one hundred forty-two million, four hundred twenty-eight thousand, two hundred thirty-seven".