1198227331 has 24 divisors (see below), whose sum is σ = 1422364320. Its totient is φ = 1006185600.

The previous prime is 1198227301. The next prime is 1198227341. The reversal of 1198227331 is 1337228911.

It is not a de Polignac number, because 1198227331 - 2¹⁷ = 1198096259 is a prime.

It is a super-2 number, since 2×1198227331² = 2871497473510767122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1198227301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 928935 + ... + 930223.

It is an arithmetic number, because the mean of its divisors is an integer number (59265180).

Almost surely, 2^1198227331 is an apocalyptic number.

1198227331 is a deficient number, since it is larger than the sum of its proper divisors (224136989).

1198227331 is a wasteful number, since it uses less digits than its factorization.

1198227331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1668 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 1198227331 is about 34615.4204221182. The cubic root of 1198227331 is about 1062.1350496729.

The spelling of 1198227331 in words is "one billion, one hundred ninety-eight million, two hundred twenty-seven thousand, three hundred thirty-one".