22321220198 has 4 divisors (see below), whose sum is σ = 33481830300. Its totient is φ = 11160610098.

The previous prime is 22321220179. The next prime is 22321220219. The reversal of 22321220198 is 89102212322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×22321220198³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5580305048 + ... + 5580305051.

It is an arithmetic number, because the mean of its divisors is an integer number (8370457575).

Almost surely, 2^22321220198 is an apocalyptic number.

22321220198 is a deficient number, since it is larger than the sum of its proper divisors (11160610102).

22321220198 is a wasteful number, since it uses less digits than its factorization.

22321220198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11160610101.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 22321220198 in words is "twenty-two billion, three hundred twenty-one million, two hundred twenty thousand, one hundred ninety-eight".