2198122699 has 4 divisors (see below), whose sum is σ = 2207556936. Its totient is φ = 2188688464.

The previous prime is 2198122687. The next prime is 2198122727. The reversal of 2198122699 is 9962218912.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2198122699 - 2⁷ = 2198122571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2198122639) 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, 4716769 + ... + 4717234.

It is an arithmetic number, because the mean of its divisors is an integer number (551889234).

Almost surely, 2^2198122699 is an apocalyptic number.

2198122699 is a deficient number, since it is larger than the sum of its proper divisors (9434237).

2198122699 is an equidigital number, since it uses as much as digits as its factorization.

2198122699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9434236.

The product of its digits is 279936, while the sum is 49.

The square root of 2198122699 is about 46884.1412313375. The cubic root of 2198122699 is about 1300.2214019360.

The spelling of 2198122699 in words is "two billion, one hundred ninety-eight million, one hundred twenty-two thousand, six hundred ninety-nine".