2215832231808 has 96 divisors (see below), whose sum is σ = 6866771806440. Its totient is φ = 681794528256.

The previous prime is 2215832231771. The next prime is 2215832231831. The reversal of 2215832231808 is 8081322385122.

2215832231808 is a `hidden beast` number, since 2 + 2 + 1 + 5 + 8 + 322 + 318 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73964466 + ... + 73994417.

Almost surely, 2^{2215832231808} is an apocalyptic number.

It is an amenable number.

2215832231808 is an abundant number, since it is smaller than the sum of its proper divisors (4650939574632).

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

2215832231808 is a wasteful number, since it uses less digits than its factorization.

2215832231808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147958916 (or 147958901 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 2215832231808 in words is "two trillion, two hundred fifteen billion, eight hundred thirty-two million, two hundred thirty-one thousand, eight hundred eight".