1122198499 has 4 divisors (see below), whose sum is σ = 1122408000. Its totient is φ = 1121989000.

The previous prime is 1122198443. The next prime is 1122198503. The reversal of 1122198499 is 9948912211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9948912211 = 7 ⋅1421273173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122198499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1122198409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96499 + ... + 107500.

It is an arithmetic number, because the mean of its divisors is an integer number (280602000).

Almost surely, 2^1122198499 is an apocalyptic number.

1122198499 is a deficient number, since it is larger than the sum of its proper divisors (209501).

1122198499 is an equidigital number, since it uses as much as digits as its factorization.

1122198499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209500.

The product of its digits is 93312, while the sum is 46.

The square root of 1122198499 is about 33499.2313195393. The cubic root of 1122198499 is about 1039.1778817848.

The spelling of 1122198499 in words is "one billion, one hundred twenty-two million, one hundred ninety-eight thousand, four hundred ninety-nine".