2188498230 has 128 divisors (see below), whose sum is σ = 6200012160. Its totient is φ = 547430400.

The previous prime is 2188498229. The next prime is 2188498243. The reversal of 2188498230 is 328948812.

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 polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1821630 + ... + 1822830.

It is an arithmetic number, because the mean of its divisors is an integer number (48437595).

Almost surely, 2^2188498230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2188498230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3100006080).

2188498230 is an abundant number, since it is smaller than the sum of its proper divisors (4011513930).

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

2188498230 is a wasteful number, since it uses less digits than its factorization.

2188498230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 2188498230 is about 46781.3876450881. The cubic root of 2188498230 is about 1298.3209546113.

The spelling of 2188498230 in words is "two billion, one hundred eighty-eight million, four hundred ninety-eight thousand, two hundred thirty".