2198263284 has 54 divisors (see below), whose sum is σ = 6463946034. Its totient is φ = 628074720.

The previous prime is 2198263279. The next prime is 2198263297. The reversal of 2198263284 is 4823628912.

2198263284 is a `hidden beast` number, since 2 + 1 + 9 + 8 + 2 + 632 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2095808400 + 102454884 = 45780^2 + 10122^2 .

It is a super-2 number, since 2×2198263284² = 9664722931564929312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 621327 + ... + 624854.

Almost surely, 2^2198263284 is an apocalyptic number.

It is an amenable number.

2198263284 is an abundant number, since it is smaller than the sum of its proper divisors (4265682750).

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

2198263284 is a wasteful number, since it uses less digits than its factorization.

2198263284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246205 (or 1246193 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 2198263284 is about 46885.6404883201. The cubic root of 2198263284 is about 1300.2491206994.

The spelling of 2198263284 in words is "two billion, one hundred ninety-eight million, two hundred sixty-three thousand, two hundred eighty-four".