2198522923 has 2 divisors, whose sum is σ = 2198522924. Its totient is φ = 2198522922.

The previous prime is 2198522917. The next prime is 2198522933. The reversal of 2198522923 is 3292258912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2198522923 - 2⁵ = 2198522891 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2198522923.

It is not a weakly prime, because it can be changed into another prime (2198522933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099261461 + 1099261462.

It is an arithmetic number, because the mean of its divisors is an integer number (1099261462).

Almost surely, 2^2198522923 is an apocalyptic number.

2198522923 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198522923 is an equidigital number, since it uses as much as digits as its factorization.

2198522923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 2198522923 is about 46888.4092607118. The cubic root of 2198522923 is about 1300.3003099107.

The spelling of 2198522923 in words is "two billion, one hundred ninety-eight million, five hundred twenty-two thousand, nine hundred twenty-three".