1022243198 has 8 divisors (see below), whose sum is σ = 1540120392. Its totient is φ = 508869736.

The previous prime is 1022243191. The next prime is 1022243219. The reversal of 1022243198 is 8913422201.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022243191) 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 3 ways as a sum of consecutive naturals, for example, 1125365 + ... + 1126272.

It is an arithmetic number, because the mean of its divisors is an integer number (192515049).

Almost surely, 2^1022243198 is an apocalyptic number.

1022243198 is a deficient number, since it is larger than the sum of its proper divisors (517877194).

1022243198 is a wasteful number, since it uses less digits than its factorization.

1022243198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251866.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1022243198 is about 31972.5381851363. The cubic root of 1022243198 is about 1007.3600954274.

Adding to 1022243198 its reverse (8913422201), we get a palindrome (9935665399).

The spelling of 1022243198 in words is "one billion, twenty-two million, two hundred forty-three thousand, one hundred ninety-eight".