2198934630 has 48 divisors (see below), whose sum is σ = 5773860144. Its totient is φ = 580574400.

The previous prime is 2198934623. The next prime is 2198934641. The reversal of 2198934630 is 364398912.

It is a happy number.

2198934630 is a `hidden beast` number, since 2 + 1 + 9 + 8 + 9 + 3 + 4 + 630 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 111864 + ... + 130043.

It is an arithmetic number, because the mean of its divisors is an integer number (120288753).

Almost surely, 2^2198934630 is an apocalyptic number.

2198934630 is an abundant number, since it is smaller than the sum of its proper divisors (3574925514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2198934630 is a wasteful number, since it uses less digits than its factorization.

2198934630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242021 (or 242018 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 2198934630 is about 46892.7993406237. The cubic root of 2198934630 is about 1300.3814718764.

The spelling of 2198934630 in words is "two billion, one hundred ninety-eight million, nine hundred thirty-four thousand, six hundred thirty".