1198222 has 16 divisors (see below), whose sum is σ = 1891440. Its totient is φ = 568512.

The previous prime is 1198217. The next prime is 1198229. The reversal of 1198222 is 2228911.

It is a super-2 number, since 2×1198222² = 2871471922568, which contains 22 as substring.

It is a plaindrome in base 9 and base 16.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198229) 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, 4093 + ... + 4375.

It is an arithmetic number, because the mean of its divisors is an integer number (118215).

2^1198222 is an apocalyptic number.

1198222 is a deficient number, since it is larger than the sum of its proper divisors (693218).

1198222 is a wasteful number, since it uses less digits than its factorization.

1198222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387.

The product of its digits is 576, while the sum is 25.

The square root of 1198222 is about 1094.6332719226. The cubic root of 1198222 is about 106.2133474499.

The spelling of 1198222 in words is "one million, one hundred ninety-eight thousand, two hundred twenty-two".