657230227 has 2 divisors, whose sum is σ = 657230228. Its totient is φ = 657230226.

The previous prime is 657230213. The next prime is 657230239. The reversal of 657230227 is 722032756.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 657230227 - 2⁷ = 657230099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 657230192 and 657230201.

It is not a weakly prime, because it can be changed into another prime (657230527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328615113 + 328615114.

It is an arithmetic number, because the mean of its divisors is an integer number (328615114).

Almost surely, 2^657230227 is an apocalyptic number.

657230227 is a deficient number, since it is larger than the sum of its proper divisors (1).

657230227 is an equidigital number, since it uses as much as digits as its factorization.

657230227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 657230227 is about 25636.5018479511. The cubic root of 657230227 is about 869.4391183781.

The spelling of 657230227 in words is "six hundred fifty-seven million, two hundred thirty thousand, two hundred twenty-seven".