2198323228 has 12 divisors (see below), whose sum is σ = 3936532600. Its totient is φ = 1073599632.

The previous prime is 2198323223. The next prime is 2198323249. The reversal of 2198323228 is 8223238912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198323223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6390303 + ... + 6390646.

Almost surely, 2^2198323228 is an apocalyptic number.

It is an amenable number.

2198323228 is a deficient number, since it is larger than the sum of its proper divisors (1738209372).

2198323228 is a wasteful number, since it uses less digits than its factorization.

2198323228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780996 (or 12780994 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 2198323228 is about 46886.2797415193. The cubic root of 2198323228 is about 1300.2609393361.

The spelling of 2198323228 in words is "two billion, one hundred ninety-eight million, three hundred twenty-three thousand, two hundred twenty-eight".