198669222 has 24 divisors (see below), whose sum is σ = 434715840. Its totient is φ = 65566800.

The previous prime is 198669209. The next prime is 198669257. The reversal of 198669222 is 222966891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52822 + ... + 56457.

It is an arithmetic number, because the mean of its divisors is an integer number (18113160).

Almost surely, 2^198669222 is an apocalyptic number.

198669222 is an abundant number, since it is smaller than the sum of its proper divisors (236046618).

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

198669222 is a wasteful number, since it uses less digits than its factorization.

198669222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109388 (or 109385 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 198669222 is about 14095.0069882920. The cubic root of 198669222 is about 583.5035872747.

It can be divided in two parts, 198669 and 222, that added together give a palindrome (198891).

The spelling of 198669222 in words is "one hundred ninety-eight million, six hundred sixty-nine thousand, two hundred twenty-two".