198202223 has 2 divisors, whose sum is σ = 198202224. Its totient is φ = 198202222.

The previous prime is 198202183. The next prime is 198202259. The reversal of 198202223 is 322202891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198202223 - 2¹⁸ = 197940079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198202283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99101111 + 99101112.

It is an arithmetic number, because the mean of its divisors is an integer number (99101112).

Almost surely, 2^198202223 is an apocalyptic number.

198202223 is a deficient number, since it is larger than the sum of its proper divisors (1).

198202223 is an equidigital number, since it uses as much as digits as its factorization.

198202223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 198202223 is about 14078.4311270823. The cubic root of 198202223 is about 583.0460270801.

The spelling of 198202223 in words is "one hundred ninety-eight million, two hundred two thousand, two hundred twenty-three".