198022002 has 16 divisors (see below), whose sum is σ = 406748352. Its totient is φ = 64223280.

The previous prime is 198021979. The next prime is 198022003. The reversal of 198022002 is 200220891.

It is not an unprimeable number, because it can be changed into a prime (198022003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 445774 + ... + 446217.

It is an arithmetic number, because the mean of its divisors is an integer number (25421772).

Almost surely, 2^198022002 is an apocalyptic number.

198022002 is an abundant number, since it is smaller than the sum of its proper divisors (208726350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198022002 is a wasteful number, since it uses less digits than its factorization.

198022002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892033.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 198022002 is about 14072.0290647795. The cubic root of 198022002 is about 582.8692564387.

Adding to 198022002 its reverse (200220891), we get a palindrome (398242893).

The spelling of 198022002 in words is "one hundred ninety-eight million, twenty-two thousand, two".