227940637 has 2 divisors, whose sum is σ = 227940638. Its totient is φ = 227940636.

The previous prime is 227940619. The next prime is 227940677. The reversal of 227940637 is 736049722.

227940637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (227940677) can be obtained adding 227940637 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205463556 + 22477081 = 14334^2 + 4741^2 .

It is a cyclic number.

It is not a de Polignac number, because 227940637 - 2⁷ = 227940509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 227940637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (227940617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 113970318 + 113970319.

It is an arithmetic number, because the mean of its divisors is an integer number (113970319).

Almost surely, 2^227940637 is an apocalyptic number.

It is an amenable number.

227940637 is a deficient number, since it is larger than the sum of its proper divisors (1).

227940637 is an equidigital number, since it uses as much as digits as its factorization.

227940637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 227940637 is about 15097.7030372173. The cubic root of 227940637 is about 610.8584500346.

The spelling of 227940637 in words is "two hundred twenty-seven million, nine hundred forty thousand, six hundred thirty-seven".