2198207236 has 12 divisors (see below), whose sum is σ = 4073148828. Its totient is φ = 1034450432.

The previous prime is 2198207233. The next prime is 2198207239. The reversal of 2198207236 is 6327028912.

It is an interprime number because it is at equal distance from previous prime (2198207233) and next prime (2198207239).

It can be written as a sum of positive squares in 2 ways, for example, as 1774094400 + 424112836 = 42120^2 + 20594^2 .

It is not an unprimeable number, because it can be changed into a prime (2198207233) 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 in 3 ways as a sum of consecutive naturals, for example, 16163221 + ... + 16163356.

It is an arithmetic number, because the mean of its divisors is an integer number (339429069).

Almost surely, 2^2198207236 is an apocalyptic number.

It is an amenable number.

2198207236 is a deficient number, since it is larger than the sum of its proper divisors (1874941592).

2198207236 is a wasteful number, since it uses less digits than its factorization.

2198207236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32326598 (or 32326596 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 2198207236 is about 46885.0427748552. The cubic root of 2198207236 is about 1300.2380700089.

The spelling of 2198207236 in words is "two billion, one hundred ninety-eight million, two hundred seven thousand, two hundred thirty-six".