2215093642172 has 24 divisors (see below), whose sum is σ = 3878653355472. Its totient is φ = 1106907120000.

The previous prime is 2215093642171. The next prime is 2215093642207. The reversal of 2215093642172 is 2712463905122.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215093642171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83984147 + ... + 84010517.

It is an arithmetic number, because the mean of its divisors is an integer number (161610556478).

Almost surely, 2^{2215093642172} is an apocalyptic number.

It is an amenable number.

2215093642172 is a deficient number, since it is larger than the sum of its proper divisors (1663559713300).

2215093642172 is a wasteful number, since it uses less digits than its factorization.

2215093642172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37709 (or 37707 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 2215093642172 in words is "two trillion, two hundred fifteen billion, ninety-three million, six hundred forty-two thousand, one hundred seventy-two".