213852227 has 2 divisors, whose sum is σ = 213852228. Its totient is φ = 213852226.

The previous prime is 213852217. The next prime is 213852271. The reversal of 213852227 is 722258312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213852227 - 2⁴ = 213852211 is a prime.

It is equal to p_11802299 and since 213852227 and 11802299 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 213852193 and 213852202.

It is not a weakly prime, because it can be changed into another prime (213852217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106926113 + 106926114.

It is an arithmetic number, because the mean of its divisors is an integer number (106926114).

Almost surely, 2^213852227 is an apocalyptic number.

213852227 is a deficient number, since it is larger than the sum of its proper divisors (1).

213852227 is an equidigital number, since it uses as much as digits as its factorization.

213852227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 32.

The square root of 213852227 is about 14623.6871889411. The cubic root of 213852227 is about 598.0046932365.

The spelling of 213852227 in words is "two hundred thirteen million, eight hundred fifty-two thousand, two hundred twenty-seven".