1198379322 has 96 divisors (see below), whose sum is σ = 3042434304. Its totient is φ = 333849600.

The previous prime is 1198379321. The next prime is 1198379323. The reversal of 1198379322 is 2239738911.

It is an interprime number because it is at equal distance from previous prime (1198379321) and next prime (1198379323).

It is a super-2 number, since 2×1198379322² = 2872225998794359368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1198379321) by changing a digit.

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 in 47 ways as a sum of consecutive naturals, for example, 867072 + ... + 868452.

It is an arithmetic number, because the mean of its divisors is an integer number (31692024).

Almost surely, 2^1198379322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1198379322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521217152).

1198379322 is an abundant number, since it is smaller than the sum of its proper divisors (1844054982).

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

1198379322 is a wasteful number, since it uses less digits than its factorization.

1198379322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564 (or 1561 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 1198379322 is about 34617.6157757868. The cubic root of 1198379322 is about 1062.1799571622.

The spelling of 1198379322 in words is "one billion, one hundred ninety-eight million, three hundred seventy-nine thousand, three hundred twenty-two".