2188572032 has 32 divisors (see below), whose sum is σ = 4461453480. Its totient is φ = 1068834816.

The previous prime is 2188572017. The next prime is 2188572037. The reversal of 2188572032 is 2302758812.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2188572037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193313 + ... + 204320.

Almost surely, 2^2188572032 is an apocalyptic number.

It is an amenable number.

2188572032 is an abundant number, since it is smaller than the sum of its proper divisors (2272881448).

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

2188572032 is an equidigital number, since it uses as much as digits as its factorization.

2188572032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397690 (or 397678 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 2188572032 is about 46782.1764350484. The cubic root of 2188572032 is about 1298.3355487296.

The spelling of 2188572032 in words is "two billion, one hundred eighty-eight million, five hundred seventy-two thousand, thirty-two".