198422699 has 2 divisors, whose sum is σ = 198422700. Its totient is φ = 198422698.

The previous prime is 198422659. The next prime is 198422713. The reversal of 198422699 is 996224891.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 198422699 - 2¹² = 198418603 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (198422629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99211349 + 99211350.

It is an arithmetic number, because the mean of its divisors is an integer number (99211350).

Almost surely, 2^198422699 is an apocalyptic number.

198422699 is a deficient number, since it is larger than the sum of its proper divisors (1).

198422699 is an equidigital number, since it uses as much as digits as its factorization.

198422699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 50.

The square root of 198422699 is about 14086.2592266364. The cubic root of 198422699 is about 583.2621363628.

The spelling of 198422699 in words is "one hundred ninety-eight million, four hundred twenty-two thousand, six hundred ninety-nine".