219226207 has 2 divisors, whose sum is σ = 219226208. Its totient is φ = 219226206.

The previous prime is 219226193. The next prime is 219226219. The reversal of 219226207 is 702622912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 219226207 - 2¹⁹ = 218701919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219226277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109613103 + 109613104.

It is an arithmetic number, because the mean of its divisors is an integer number (109613104).

Almost surely, 2^219226207 is an apocalyptic number.

219226207 is a deficient number, since it is larger than the sum of its proper divisors (1).

219226207 is an equidigital number, since it uses as much as digits as its factorization.

219226207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 219226207 is about 14806.2894406397. The cubic root of 219226207 is about 602.9724783397.

The spelling of 219226207 in words is "two hundred nineteen million, two hundred twenty-six thousand, two hundred seven".