228850213 has 2 divisors, whose sum is σ = 228850214. Its totient is φ = 228850212.

The previous prime is 228850201. The next prime is 228850229. The reversal of 228850213 is 312058822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165456769 + 63393444 = 12863^2 + 7962^2 .

It is a cyclic number.

It is not a de Polignac number, because 228850213 - 2¹³ = 228842021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228850313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114425106 + 114425107.

It is an arithmetic number, because the mean of its divisors is an integer number (114425107).

Almost surely, 2^228850213 is an apocalyptic number.

It is an amenable number.

228850213 is a deficient number, since it is larger than the sum of its proper divisors (1).

228850213 is an equidigital number, since it uses as much as digits as its factorization.

228850213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 228850213 is about 15127.7960390799. The cubic root of 228850213 is about 611.6698963450.

The spelling of 228850213 in words is "two hundred twenty-eight million, eight hundred fifty thousand, two hundred thirteen".