210198227 has 2 divisors, whose sum is σ = 210198228. Its totient is φ = 210198226.

The previous prime is 210198199. The next prime is 210198257. The reversal of 210198227 is 722891012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210198227 - 2²² = 206003923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210198193 and 210198202.

It is not a weakly prime, because it can be changed into another prime (210198257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105099113 + 105099114.

It is an arithmetic number, because the mean of its divisors is an integer number (105099114).

Almost surely, 2^210198227 is an apocalyptic number.

210198227 is a deficient number, since it is larger than the sum of its proper divisors (1).

210198227 is an equidigital number, since it uses as much as digits as its factorization.

210198227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 210198227 is about 14498.2146142206. The cubic root of 210198227 is about 594.5791596066.

The spelling of 210198227 in words is "two hundred ten million, one hundred ninety-eight thousand, two hundred twenty-seven".