2188235082 has 32 divisors (see below), whose sum is σ = 4778818560. Its totient is φ = 662478320.

The previous prime is 2188235081. The next prime is 2188235089. The reversal of 2188235082 is 2805328812.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2188235082.

It is not an unprimeable number, because it can be changed into a prime (2188235081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57769 + ... + 87827.

It is an arithmetic number, because the mean of its divisors is an integer number (149338080).

Almost surely, 2^2188235082 is an apocalyptic number.

2188235082 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2188235082 is an abundant number, since it is smaller than the sum of its proper divisors (2590583478).

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

2188235082 is a wasteful number, since it uses less digits than its factorization.

2188235082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31178.

The product of its (nonzero) digits is 61440, while the sum is 39.

The square root of 2188235082 is about 46778.5750317386. The cubic root of 2188235082 is about 1298.2689152337.

The spelling of 2188235082 in words is "two billion, one hundred eighty-eight million, two hundred thirty-five thousand, eighty-two".