1198822 has 8 divisors (see below), whose sum is σ = 1804176. Its totient is φ = 597432.

The previous prime is 1198819. The next prime is 1198849. The reversal of 1198822 is 2288911.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58 + ... + 1549.

It is an arithmetic number, because the mean of its divisors is an integer number (225522).

2^1198822 is an apocalyptic number.

1198822 is a deficient number, since it is larger than the sum of its proper divisors (605354).

1198822 is a wasteful number, since it uses less digits than its factorization.

1198822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982.

The product of its digits is 2304, while the sum is 31.

The square root of 1198822 is about 1094.9073020124. The cubic root of 1198822 is about 106.2310729839.

The spelling of 1198822 in words is "one million, one hundred ninety-eight thousand, eight hundred twenty-two".