2189925012 has 48 divisors (see below), whose sum is σ = 5582029824. Its totient is φ = 662700000.

The previous prime is 2189924999. The next prime is 2189925043. The reversal of 2189925012 is 2105299812.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 88087 + ... + 110177.

It is an arithmetic number, because the mean of its divisors is an integer number (116292288).

Almost surely, 2^2189925012 is an apocalyptic number.

2189925012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2189925012 is an abundant number, since it is smaller than the sum of its proper divisors (3392104812).

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

2189925012 is a wasteful number, since it uses less digits than its factorization.

2189925012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22860 (or 22858 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 2189925012 is about 46796.6346225880. The cubic root of 2189925012 is about 1298.6030382382.

The spelling of 2189925012 in words is "two billion, one hundred eighty-nine million, nine hundred twenty-five thousand, twelve".