198023622 has 8 divisors (see below), whose sum is σ = 396047256. Its totient is φ = 66007872.

The previous prime is 198023611. The next prime is 198023627. The reversal of 198023622 is 226320891.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

198023622 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198023627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16501963 + ... + 16501974.

It is an arithmetic number, because the mean of its divisors is an integer number (49505907).

Almost surely, 2^198023622 is an apocalyptic number.

198023622 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

198023622 is a wasteful number, since it uses less digits than its factorization.

198023622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33003942.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 198023622 is about 14072.0866256572. The cubic root of 198023622 is about 582.8708459011.

The spelling of 198023622 in words is "one hundred ninety-eight million, twenty-three thousand, six hundred twenty-two".