2213887194432 has 140 divisors (see below), whose sum is σ = 6948694009620. Its totient is φ = 694552817664.

The previous prime is 2213887194427. The next prime is 2213887194433. The reversal of 2213887194432 is 2344917883122.

2213887194432 is a `hidden beast` number, since 2 + 2 + 13 + 8 + 8 + 7 + 194 + 432 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1330091663616 + 883795530816 = 1153296^2 + 940104^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213887194433) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12472507 + ... + 12648762.

Almost surely, 2^{2213887194432} is an apocalyptic number.

It is an amenable number.

2213887194432 is an abundant number, since it is smaller than the sum of its proper divisors (4734806815188).

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

2213887194432 is a wasteful number, since it uses less digits than its factorization.

2213887194432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25121310 (or 25121291 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 2213887194432 in words is "two trillion, two hundred thirteen billion, eight hundred eighty-seven million, one hundred ninety-four thousand, four hundred thirty-two".