2188408230 has 96 divisors (see below), whose sum is σ = 5790994560. Its totient is φ = 573281280.

The previous prime is 2188408217. The next prime is 2188408231. The reversal of 2188408230 is 328048812.

It is a happy number.

2188408230 is a `hidden beast` number, since 2 + 18 + 8 + 408 + 230 = 666.

It is a super-2 number, since 2×2188408230² = 9578261162263465800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188408231) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1655970 + ... + 1657290.

It is an arithmetic number, because the mean of its divisors is an integer number (60322860).

Almost surely, 2^2188408230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2188408230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2895497280).

2188408230 is an abundant number, since it is smaller than the sum of its proper divisors (3602586330).

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

2188408230 is a wasteful number, since it uses less digits than its factorization.

2188408230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 2188408230 is about 46780.4257141809. The cubic root of 2188408230 is about 1298.3031569444.

The spelling of 2188408230 in words is "two billion, one hundred eighty-eight million, four hundred eight thousand, two hundred thirty".